./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:13:17,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:13:17,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:13:17,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:13:17,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:13:17,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:13:17,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:13:17,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:13:17,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:13:17,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:13:17,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:13:17,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:13:17,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:13:17,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:13:17,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:13:17,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:13:17,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:13:17,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:13:17,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:13:17,875 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:13:17,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:13:17,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:13:17,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:13:17,877 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:13:17,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:13:17,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:13:17,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:17,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:13:17,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:13:17,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:13:17,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:13:17,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:13:17,880 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:13:17,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2023-12-03 03:13:18,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:13:18,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:13:18,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:13:18,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:13:18,116 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:13:18,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2023-12-03 03:13:20,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:13:21,068 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:13:21,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2023-12-03 03:13:21,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data/74b46b2c4/33b29c243de14ad1a20f7b9b34c23b02/FLAGfc07e569c [2023-12-03 03:13:21,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data/74b46b2c4/33b29c243de14ad1a20f7b9b34c23b02 [2023-12-03 03:13:21,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:13:21,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:13:21,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:21,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:13:21,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:13:21,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75392e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21, skipping insertion in model container [2023-12-03 03:13:21,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:13:21,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2023-12-03 03:13:21,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:21,317 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:13:21,330 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2023-12-03 03:13:21,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:21,359 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:13:21,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21 WrapperNode [2023-12-03 03:13:21,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:21,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:21,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:13:21,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:13:21,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,408 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2023-12-03 03:13:21,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:21,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:13:21,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:13:21,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:13:21,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:13:21,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:13:21,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:13:21,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:13:21,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:21,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:13:21,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:13:21,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:13:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:13:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:13:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:13:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:13:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:13:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:13:21,590 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:13:21,592 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:13:21,804 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:13:21,951 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:13:21,952 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:13:21,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:21 BoogieIcfgContainer [2023-12-03 03:13:21,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:13:21,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:13:21,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:13:21,963 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:13:21,964 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:21" (1/1) ... [2023-12-03 03:13:21,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:13:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-03 03:13:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-03 03:13:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:22,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:22,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:13:22,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:13:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:13:22,271 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:13:22,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:13:22 ImpRootNode [2023-12-03 03:13:22,308 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:13:22,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:13:22,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:13:22,309 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:13:22,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:21" (3/4) ... [2023-12-03 03:13:22,312 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:13:22,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:13:22,314 INFO L158 Benchmark]: Toolchain (without parser) took 1217.84ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 84.7MB in the beginning and 114.0MB in the end (delta: -29.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-12-03 03:13:22,315 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:13:22,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.12ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 73.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:13:22,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.10ms. Allocated memory is still 127.9MB. Free memory was 73.5MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:13:22,317 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 127.9MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:13:22,318 INFO L158 Benchmark]: RCFGBuilder took 514.54ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 131.8MB in the end (delta: -62.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-12-03 03:13:22,318 INFO L158 Benchmark]: CodeCheck took 352.87ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 114.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:13:22,319 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 174.1MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:13:22,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=3] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=1, var_1_8=0, var_1_9=3] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 [L36] EXPR var_1_8 & (var_1_12 * var_1_8) [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND FALSE !(stepLocal_0 < (last_1_var_1_1 / var_1_6)) [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=3, var_1_1=-16, var_1_6=1, var_1_8=3, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=3, var_1_1=-16, var_1_6=1, var_1_8=3, var_1_9=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.12ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 73.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.10ms. Allocated memory is still 127.9MB. Free memory was 73.5MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 127.9MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.54ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 131.8MB in the end (delta: -62.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 352.87ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 114.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 174.1MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:13:22,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:13:24,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:13:24,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:13:24,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:13:24,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:13:24,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:13:24,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:13:24,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:13:24,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:13:24,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:13:24,472 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:13:24,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:13:24,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:13:24,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:13:24,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:13:24,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:13:24,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:13:24,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:13:24,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:13:24,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:13:24,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:13:24,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:13:24,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:13:24,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:13:24,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:13:24,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:24,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:13:24,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:13:24,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:24,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:13:24,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:13:24,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:13:24,483 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:13:24,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:24,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:13:24,484 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:13:24,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:13:24,484 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2023-12-03 03:13:24,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:13:24,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:13:24,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:13:24,780 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:13:24,781 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:13:24,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2023-12-03 03:13:27,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:13:27,805 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:13:27,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2023-12-03 03:13:27,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data/79870bd80/0121febfa77c470981c8a9a6feb15f8d/FLAG4c8c91c93 [2023-12-03 03:13:27,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/data/79870bd80/0121febfa77c470981c8a9a6feb15f8d [2023-12-03 03:13:27,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:13:27,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:13:27,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:27,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:13:27,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:13:27,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:27" (1/1) ... [2023-12-03 03:13:27,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49481c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:27, skipping insertion in model container [2023-12-03 03:13:27,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:27" (1/1) ... [2023-12-03 03:13:27,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:13:28,023 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2023-12-03 03:13:28,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:28,066 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:13:28,080 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2023-12-03 03:13:28,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:28,110 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:13:28,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28 WrapperNode [2023-12-03 03:13:28,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:28,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:28,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:13:28,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:13:28,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,153 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 64 [2023-12-03 03:13:28,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:28,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:13:28,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:13:28,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:13:28,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:13:28,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:13:28,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:13:28,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:13:28,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:28,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:13:28,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:13:28,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:13:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:13:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:13:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:13:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:13:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:13:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:13:28,349 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:13:28,351 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:13:28,638 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:13:28,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:13:28,723 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:13:28,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:28 BoogieIcfgContainer [2023-12-03 03:13:28,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:13:28,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:13:28,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:13:28,736 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:13:28,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:28" (1/1) ... [2023-12-03 03:13:28,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:13:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-03 03:13:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-03 03:13:28,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:28,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:28,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:28,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:28,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:28,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:13:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:29,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:29,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:29,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:30,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-12-03 03:13:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-12-03 03:13:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:30,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:30,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:30,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:30,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:30,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:13:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:30,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:30,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:30,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:31,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:13:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:32,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:32,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:32,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:32,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:32,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:13:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:32,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:32,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:32,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:32,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:13:32,719 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:13:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:32,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:32,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:32,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:32,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:32,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:13:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:32,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:33,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:33,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:33,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:13:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:33,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:33,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:33,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:33,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:33,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:13:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:33,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:33,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:33,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:34,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:13:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:34,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:34,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:34,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:34,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:34,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:13:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:34,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:34,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:34,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:34,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:13:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:34,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:34,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:34,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:34,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:13:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:35,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:35,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:35,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:35,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:13:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:35,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:35,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:35,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:35,470 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:35,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:13:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:35,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:35,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:35,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:36,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:13:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:36,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:36,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:36,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:36,111 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:36,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:13:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:36,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:36,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:36,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:36,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:36,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:13:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:36,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:36,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:36,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:36,740 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:36,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:13:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:36,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:37,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:37,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:37,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:13:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:37,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:37,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:37,395 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:37,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:13:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:37,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:37,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:37,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:38,002 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:13:38,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:13:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:38,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:38,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:38,014 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:38,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:13:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:38,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:38,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:38,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:38,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:13:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:38,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:38,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:38,586 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:38,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:13:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:38,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:38,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:38,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:39,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:13:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:39,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:39,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:39,158 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:39,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:13:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:39,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:39,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:39,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:39,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:13:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:39,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:39,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:39,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:39,773 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:39,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:13:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:40,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:40,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:40,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:40,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:13:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:40,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:40,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:40,341 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:40,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:13:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:40,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:40,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:40,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:40,926 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:13:40,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:13:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:40,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:40,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:40,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:40,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:13:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:41,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:41,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:41,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:41,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:13:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:41,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:41,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:41,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:41,556 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:13:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:41,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:41,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:41,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:42,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:42,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:42,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:42,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:42,150 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:42,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:13:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:42,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:42,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:42,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:42,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:42,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:42,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:42,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:42,706 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:42,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:13:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:42,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:43,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:43,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:43,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:13:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:43,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:43,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:43,384 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:43,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:13:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:43,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:43,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:43,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:43,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:43,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:43,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:43,958 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:43,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:13:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:44,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:44,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:44,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:44,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:13:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:44,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:44,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:44,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:44,544 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:44,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:13:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:44,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:44,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:44,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:45,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:13:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:45,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:45,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:45,080 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:45,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:13:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:45,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:45,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:45,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:45,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:45,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:45,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:45,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:45,652 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:45,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:13:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:45,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:45,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:45,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:46,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:13:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:46,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:46,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:46,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:46,265 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:46,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:13:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:46,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:46,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:46,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:46,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:46,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:46,817 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:46,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:13:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:47,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:47,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:47,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:47,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:13:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:47,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:47,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:47,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:47,363 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:47,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:13:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:47,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:47,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:47,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:47,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:47,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:47,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:47,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:47,960 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:47,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:13:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:48,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:48,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:48,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:48,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:13:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:48,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:48,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:48,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:48,571 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:48,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:13:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:48,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:48,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:48,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:49,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:13:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:49,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:49,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:49,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:49,237 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:49,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:13:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:49,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:49,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:49,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:49,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:13:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:49,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:49,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:49,823 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:49,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:13:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:50,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:50,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:50,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:50,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:50,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:50,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:50,445 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:50,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:13:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:50,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:50,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:50,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:50,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:13:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:50,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:50,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:50,954 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:50,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:13:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:51,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:51,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:51,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:51,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:13:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:51,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:51,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:51,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:51,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:51,455 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:51,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:13:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:51,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:51,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:51,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:52,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:13:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:52,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:52,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:52,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:52,006 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:52,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:13:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:52,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:52,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:52,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:52,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:52,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:52,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:52,522 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:52,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:13:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:52,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:52,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:52,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:53,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:53,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:53,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:53,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:53,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:53,114 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:53,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:13:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:53,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:53,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:53,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:53,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:13:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:53,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:53,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:53,684 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:53,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:13:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:53,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:53,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:53,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:54,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:13:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:54,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:54,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:54,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:54,344 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:54,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:13:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:54,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:54,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:54,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:54,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:13:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:54,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:54,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:54,974 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:54,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:13:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:55,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:55,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:13:55,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:55,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:13:55,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:13:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:55,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:55,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:55,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:55,564 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:55,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:13:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:55,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:55,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:55,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:56,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:56,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:56,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:56,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:56,166 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:56,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:13:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:56,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:56,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:56,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:56,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:56,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:56,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:56,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:56,845 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:56,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:13:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:57,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:57,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:57,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:57,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:13:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:57,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:57,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:57,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:57,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:57,450 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:57,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:13:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:57,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:57,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:57,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:58,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:58,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:58,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:58,049 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:58,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:13:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:58,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:58,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:58,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:58,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:13:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:58,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:58,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:58,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:58,638 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:58,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:13:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:58,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:58,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:58,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:59,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:13:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:59,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:59,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:59,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:59,194 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:59,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:13:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:59,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:59,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:13:59,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:13:59,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 03:13:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:13:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:13:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:13:59,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:59,757 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:59,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:13:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:59,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:00,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:00,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:00,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:00,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:00,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:00,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:00,348 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:00,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:14:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:00,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:00,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:00,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:00,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:14:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:00,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:00,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:00,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:00,915 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:00,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:14:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:01,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:01,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:01,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:01,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:01,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:01,486 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:01,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:14:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:01,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:01,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:01,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:02,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:14:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:02,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:02,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:02,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:02,062 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:02,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:14:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:02,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:02,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:02,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:02,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:14:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:02,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:02,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:02,689 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:02,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:14:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:02,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:02,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:02,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:03,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:03,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:03,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:03,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:03,301 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:14:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:03,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:03,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:03,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:03,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:14:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:03,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:03,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:03,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:03,886 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:03,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:14:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:04,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:04,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:04,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:04,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 03:14:04,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:04,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:04,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:04,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:04,471 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:04,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:14:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:04,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:04,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:04,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:05,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:14:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:05,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:05,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:05,047 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:05,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:14:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:05,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:05,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:05,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:05,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:05,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:05,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:05,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:05,617 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:05,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:14:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:05,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:05,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:05,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:06,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:14:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:06,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:06,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:06,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:06,219 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:06,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:14:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:06,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:06,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:06,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:06,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 03:14:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:06,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:06,798 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:06,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:14:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:07,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:07,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:07,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:07,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:14:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:07,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:07,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:07,390 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:07,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:14:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:07,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:07,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:07,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:07,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 03:14:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:07,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:07,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:07,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:07,978 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:14:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:08,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:08,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:08,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:08,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:14:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:08,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:08,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:08,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:08,551 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:08,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:14:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:08,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:08,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:08,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:09,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:14:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:09,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:09,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:09,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:09,089 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:09,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:14:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:09,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:09,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:09,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:09,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:14:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:09,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:09,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:09,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:09,671 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:09,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:14:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:09,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:09,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:09,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:10,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:10,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:10,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:10,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:10,252 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:10,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:14:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:10,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:10,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:10,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:10,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:14:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:10,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:10,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:10,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:10,779 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:10,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:14:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:11,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:11,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:11,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:11,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:14:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:11,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:11,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:11,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:11,328 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:11,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:14:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:11,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:11,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:11,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:11,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:14:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:11,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:11,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:11,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:11,930 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:11,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:14:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:12,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:12,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:12,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:12,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:14:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:12,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:12,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:12,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:12,529 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:12,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:14:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:12,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:12,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:12,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:13,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 03:14:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:13,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:13,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:13,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:13,117 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:13,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:14:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:13,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:13,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:13,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:13,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 03:14:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:13,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:13,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:13,705 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:14:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:13,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:13,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:13,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:14,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 03:14:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:14,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:14,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:14,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:14,246 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:14,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:14:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:14,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:14,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:14,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:14,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:14:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:14,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:14,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:14,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:14,763 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:14,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:14:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:14,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:15,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:15,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:15,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:15,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:15,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:15,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:15,306 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:15,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:14:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:15,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:15,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:15,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:15,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:15,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:15,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:15,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:15,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:15,882 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:15,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:14:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:16,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:16,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:16,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:16,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 03:14:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:16,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:16,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:16,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:16,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:16,536 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:16,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:14:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:16,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:16,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:16,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:17,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 03:14:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:17,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:17,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:17,168 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:17,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:14:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:17,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:17,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:17,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:17,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:14:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:17,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:17,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:17,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:17,738 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:17,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:14:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:17,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:18,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:18,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:18,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 03:14:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:18,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:18,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:18,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:18,386 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:18,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:14:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:18,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:18,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:18,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:18,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:14:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:18,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:18,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:18,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:18,983 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:18,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:14:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:19,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:19,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:19,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:19,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 03:14:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:19,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:19,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:19,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:19,547 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:19,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:14:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:19,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:19,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:19,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:20,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 03:14:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:20,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:20,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:20,131 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:20,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:14:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:20,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:20,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:20,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:20,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:20,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:20,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:20,740 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:20,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:14:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:20,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:21,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:21,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:21,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:21,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:21,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:21,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:21,303 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:21,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:14:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:21,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:21,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:21,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:21,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 03:14:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:21,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:21,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:21,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:21,871 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:14:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:22,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:22,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:22,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:22,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:14:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:22,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:22,454 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:22,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:14:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:22,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:22,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:22,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:23,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:14:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:23,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:23,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:23,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:23,037 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:23,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:14:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:23,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:23,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:23,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:23,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 03:14:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:23,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:23,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:23,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:23,574 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:23,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:14:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:23,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:23,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:23,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:24,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:14:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:24,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:24,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:24,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:24,161 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:24,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:14:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:24,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:24,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:24,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:24,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:24,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:24,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:24,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:24,736 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:24,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:14:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:24,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:24,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:24,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:25,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:25,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:25,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:25,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:25,278 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:25,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 03:14:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:25,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:25,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:25,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:25,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:25,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:25,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:25,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:25,828 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:25,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 03:14:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:26,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:26,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:26,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:26,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 03:14:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:26,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:26,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:26,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:26,408 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:26,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 03:14:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:26,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:26,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:26,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:26,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:26,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:26,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:26,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:26,949 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:26,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 03:14:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:27,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:27,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:27,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:27,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:27,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:27,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:27,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:27,503 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:27,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 03:14:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:27,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:27,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:27,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:28,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 03:14:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:28,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:28,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:28,106 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:28,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 03:14:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:28,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:28,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:28,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:28,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 03:14:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:28,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:28,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:28,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:28,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:28,649 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:28,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 03:14:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:28,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:28,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:28,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:29,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 03:14:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:29,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:29,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:29,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:29,206 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:29,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 03:14:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:29,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:29,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:29,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:29,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 03:14:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:29,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:29,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:29,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:29,765 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:29,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 03:14:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:29,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:30,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:30,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:30,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 03:14:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:30,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:30,331 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:30,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 03:14:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:30,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:30,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:30,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:30,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 03:14:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:30,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:30,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:30,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:30,904 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:30,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 03:14:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:31,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:31,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:31,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:31,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 03:14:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:31,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:31,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:31,486 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:31,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 03:14:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:31,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:31,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:31,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:32,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 03:14:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:32,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:32,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:32,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:32,037 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:32,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 03:14:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:32,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:32,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:32,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:32,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:32,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:32,600 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 03:14:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:32,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:32,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:32,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:33,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 03:14:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:33,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:33,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:33,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:33,204 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:33,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 03:14:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:33,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:33,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:33,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:33,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 03:14:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:33,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:33,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:33,750 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:33,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 03:14:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:33,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:34,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:34,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:34,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 03:14:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:34,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:34,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:34,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:34,354 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:34,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 03:14:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:34,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:34,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:34,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:34,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 03:14:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:34,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:34,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:34,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:34,890 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:34,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 03:14:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:35,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:35,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:35,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:35,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 03:14:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:35,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:35,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:35,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:35,426 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:35,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 03:14:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:35,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:35,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:35,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:36,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 03:14:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:36,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:36,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:36,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:36,006 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:36,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 03:14:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:36,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:36,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:36,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:36,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 03:14:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:36,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:36,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:36,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:36,552 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:36,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 03:14:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:36,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:36,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:36,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:37,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 03:14:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:37,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:37,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:37,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:37,098 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:37,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 03:14:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:37,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:37,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:37,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:37,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 03:14:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:37,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:37,701 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:37,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 03:14:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:37,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:37,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:37,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:38,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:38,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:38,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:38,249 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:38,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 03:14:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:38,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:38,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:38,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:38,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 03:14:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:38,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:38,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:38,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:38,823 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 03:14:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:39,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:39,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:39,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:39,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 03:14:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:39,423 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:39,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:39,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:39,424 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 03:14:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:39,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:39,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:39,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:39,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 03:14:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:39,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:39,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:39,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:39,978 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:39,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 03:14:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:40,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:40,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:40,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:40,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 03:14:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:40,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:40,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:40,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:40,573 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:40,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 03:14:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:40,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:40,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:40,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:41,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 03:14:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:41,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:41,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:41,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:41,117 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:41,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 03:14:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:41,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:41,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:41,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:41,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 03:14:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:41,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:41,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:41,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:41,702 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:41,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 03:14:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:41,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:41,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:41,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:42,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 03:14:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:42,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:42,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:42,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:42,292 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:42,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 03:14:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:42,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:42,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:42,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:42,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 03:14:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:42,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:42,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:42,858 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:42,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 03:14:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:43,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:43,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:43,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:43,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 03:14:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:43,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:43,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:43,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:43,398 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:43,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 03:14:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:43,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:43,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:43,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:43,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 03:14:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:43,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:43,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:43,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:43,926 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:43,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 03:14:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:44,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:44,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:44,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:44,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 03:14:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:44,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:44,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:44,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:44,512 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:44,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 03:14:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:44,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:44,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:44,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:45,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 03:14:45,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:45,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:45,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:45,113 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:45,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 03:14:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:45,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:45,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:45,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:45,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 03:14:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:45,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:45,713 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:45,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 03:14:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:45,940 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:45,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:45,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:46,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 03:14:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:46,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:46,276 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:46,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 03:14:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:46,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:46,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:46,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:46,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:46,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:46,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:46,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:46,840 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:46,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 03:14:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:47,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:47,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:47,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:47,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 03:14:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:47,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:47,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:47,429 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:47,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 03:14:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:47,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:47,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:47,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:47,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 03:14:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:47,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:47,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:47,958 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:47,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 03:14:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:48,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:48,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:48,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:48,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 03:14:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:48,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:48,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:48,537 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:48,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 03:14:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:48,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:48,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:48,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:49,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 03:14:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:49,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:49,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:49,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:49,059 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:49,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 03:14:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:49,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:49,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:49,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:49,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 03:14:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:49,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:49,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:49,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:49,593 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:49,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 03:14:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:49,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:49,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:49,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:50,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 03:14:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:50,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:50,196 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:50,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 03:14:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:50,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:50,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:50,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:50,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 03:14:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:50,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:50,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:50,754 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:50,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 03:14:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:50,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:51,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:51,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:51,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 03:14:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:51,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:51,315 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:51,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 03:14:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:51,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:51,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:51,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:51,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 03:14:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:51,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:51,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:51,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:51,884 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:51,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 03:14:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:52,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:52,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:52,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:52,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:52,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:52,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:52,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:52,434 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:52,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 03:14:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:52,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:52,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:52,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:53,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 03:14:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:53,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:53,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:53,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:53,043 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:53,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 03:14:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:53,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:53,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:14:53,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:14:53,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 03:14:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:53,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:53,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:53,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:53,584 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:53,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 03:14:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:53,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:53,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:53,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:54,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 03:14:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:54,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:54,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:54,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:54,145 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:54,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 03:14:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:54,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:54,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:54,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:54,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 03:14:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:54,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:54,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:54,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:54,704 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:54,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 03:14:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:54,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:54,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:54,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:55,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 03:14:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:55,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:55,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:55,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:55,228 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:55,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 03:14:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:55,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:55,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:55,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:55,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 03:14:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:55,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:55,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:55,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:55,834 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:55,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 03:14:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:56,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:56,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:56,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:56,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 03:14:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:56,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:56,419 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:56,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 03:14:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:56,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:56,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:56,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:56,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:56,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:56,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:56,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:56,968 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:56,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 03:14:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:57,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:57,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:57,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:57,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:57,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:57,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:57,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:57,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:57,503 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 03:14:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:57,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:57,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:57,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:58,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 03:14:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:58,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:58,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:58,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:58,097 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:58,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 03:14:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:58,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:58,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:58,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:58,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2023-12-03 03:14:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:58,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:58,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:58,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:58,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:58,679 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:58,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 03:14:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:58,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:58,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:58,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:59,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 03:14:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:59,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:59,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:59,216 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:59,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 03:14:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:59,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:59,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:14:59,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:14:59,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 03:14:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:14:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:14:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:14:59,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:59,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:59,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:59,749 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:59,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 03:14:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:59,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:00,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:00,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:00,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 03:15:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:00,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:00,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:00,321 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:00,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 03:15:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:00,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:00,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:00,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:00,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-03 03:15:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:00,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:00,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:00,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:00,855 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:00,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 03:15:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:01,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:01,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:01,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:01,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:01,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:01,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:01,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:01,420 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:01,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 03:15:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:01,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:01,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:01,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:01,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 03:15:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:01,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:01,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:01,994 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 03:15:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:02,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:02,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:02,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:02,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 03:15:02,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:02,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:02,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:02,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:02,555 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:02,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-03 03:15:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:02,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:02,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:02,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:03,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-03 03:15:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:03,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:03,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:03,113 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:03,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-03 03:15:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:03,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:03,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:03,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:03,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-03 03:15:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:03,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:03,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:03,695 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:03,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-03 03:15:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:03,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:03,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:03,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:04,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-03 03:15:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:04,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:04,251 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:04,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-03 03:15:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:04,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:04,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:04,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:04,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:04,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:04,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:04,818 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:04,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-03 03:15:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:05,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:05,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:05,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:05,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-03 03:15:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:05,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:05,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:05,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:05,330 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:05,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-03 03:15:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:05,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:05,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:05,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:05,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-03 03:15:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:05,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:05,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:05,865 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:05,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-03 03:15:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:06,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:06,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:06,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:06,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:06,443 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:06,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-03 03:15:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:06,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:06,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:06,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-03 03:15:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:06,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:06,974 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:06,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-03 03:15:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:07,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:07,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-03 03:15:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:07,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:07,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:07,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:07,547 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:07,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-03 03:15:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:07,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:08,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-03 03:15:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:08,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:08,075 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:08,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-03 03:15:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:08,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:08,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:08,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:08,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-03 03:15:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:08,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:08,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:08,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:08,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:08,688 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:08,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-03 03:15:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:08,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:08,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:08,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:09,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-03 03:15:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:09,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:09,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:09,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:09,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:09,214 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:09,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-03 03:15:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:09,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:09,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:09,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:09,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:09,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:09,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:09,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:09,751 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:09,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-03 03:15:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:09,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:10,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:10,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:10,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-03 03:15:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:10,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:10,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:10,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:10,312 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:10,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-03 03:15:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:10,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:10,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:15:10,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:15:10,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-03 03:15:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:10,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:10,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:10,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:10,827 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:10,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-03 03:15:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:11,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:11,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:11,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:11,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-03 03:15:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:11,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:11,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:11,407 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:11,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-03 03:15:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:11,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:11,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:11,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:11,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:11,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:11,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:11,978 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:11,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-03 03:15:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:12,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:12,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:12,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:12,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-03 03:15:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:12,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:12,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:12,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:12,583 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:12,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-03 03:15:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:12,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:12,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:12,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:13,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:13,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:13,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:13,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:13,148 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:13,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-03 03:15:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:13,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:13,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:13,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:13,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-03 03:15:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:13,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:13,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:13,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:13,691 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:13,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-03 03:15:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:13,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:13,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:13,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:14,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-03 03:15:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:14,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:14,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:14,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:14,233 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:14,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-03 03:15:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:14,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:14,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:14,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:14,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-03 03:15:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:14,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:14,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:14,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:14,745 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:14,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-03 03:15:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:14,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:15,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:15,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:15,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-03 03:15:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:15,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:15,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:15,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:15,289 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:15,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-03 03:15:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:15,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:15,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:15,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:15,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-03 03:15:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:15,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:15,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:15,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:15,831 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:15,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-03 03:15:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:16,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:16,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:15:16,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:15:16,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-03 03:15:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:16,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:16,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:16,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:16,404 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:16,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-03 03:15:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:16,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:16,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:16,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:16,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-03 03:15:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:16,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:16,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:16,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:16,992 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:16,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-03 03:15:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:17,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:17,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:17,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:17,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-03 03:15:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:17,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:17,538 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:17,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-03 03:15:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:17,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:17,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:17,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:18,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-03 03:15:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:18,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:18,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:18,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:18,103 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:18,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-03 03:15:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:18,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:18,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:15:18,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:15:18,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-03 03:15:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:18,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:18,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:18,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:18,652 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:18,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-03 03:15:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:18,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:18,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:18,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:19,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-03 03:15:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:19,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:19,237 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:19,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-03 03:15:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:19,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:19,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:19,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:19,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-03 03:15:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:19,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:19,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:19,763 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:19,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-03 03:15:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:19,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:20,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:20,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:20,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-03 03:15:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:20,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:20,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:20,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:20,306 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:20,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-03 03:15:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:20,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:20,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:20,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:20,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-03 03:15:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:20,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:20,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:20,910 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:20,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-03 03:15:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:21,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:21,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:21,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:21,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2023-12-03 03:15:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:21,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:21,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:21,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:21,447 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:21,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-03 03:15:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:21,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:21,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:21,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:22,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-03 03:15:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:22,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:22,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:22,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:22,043 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:22,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-03 03:15:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:22,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:22,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:22,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:22,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-03 03:15:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:22,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:22,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:22,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:22,604 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:22,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-03 03:15:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:22,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:22,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:22,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:23,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-03 03:15:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:23,164 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:23,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:23,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:23,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:23,165 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:23,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-03 03:15:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:23,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:23,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:23,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:23,717 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:23,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2023-12-03 03:15:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:23,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:23,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:23,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:23,722 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:23,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-03 03:15:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:23,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:23,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:23,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:24,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2023-12-03 03:15:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:24,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:24,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:24,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:24,289 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:24,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-03 03:15:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:24,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:24,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:24,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:24,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-03 03:15:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:24,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:24,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:24,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:24,839 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:24,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-03 03:15:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:25,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:25,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:25,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:25,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-03 03:15:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:25,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:25,375 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:25,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-03 03:15:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:25,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:25,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:25,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:25,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-03 03:15:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:25,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:25,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:25,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:25,913 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:25,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-03 03:15:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:26,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:26,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:26,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:26,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2023-12-03 03:15:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:26,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:26,468 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:26,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-03 03:15:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:26,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:26,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:26,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:27,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-03 03:15:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:27,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:27,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:27,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:27,042 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:27,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-03 03:15:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:27,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:27,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:27,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:27,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-03 03:15:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:27,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:27,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:27,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:27,593 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:27,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-03 03:15:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:27,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:27,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:27,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:28,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:28,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:28,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:28,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:28,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:28,166 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:28,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-03 03:15:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:28,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:28,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:28,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:28,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2023-12-03 03:15:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:28,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:28,729 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:28,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-03 03:15:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:28,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:28,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:28,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:29,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2023-12-03 03:15:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:29,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:29,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:29,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:29,269 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:29,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-03 03:15:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:29,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:29,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:29,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:29,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2023-12-03 03:15:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:29,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:29,862 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:29,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-03 03:15:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:30,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:30,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:30,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:30,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-03 03:15:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:30,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:30,385 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:30,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-03 03:15:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:30,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:30,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:30,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:30,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2023-12-03 03:15:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:30,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:30,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:30,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:30,920 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:30,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-03 03:15:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:31,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:31,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:31,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:31,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-03 03:15:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:31,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:31,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:31,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:31,466 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:31,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-03 03:15:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:31,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:31,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:31,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:31,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-03 03:15:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:31,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:31,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:31,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:31,995 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:31,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-03 03:15:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:32,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:32,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:32,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:32,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-03 03:15:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:32,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:32,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:32,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:32,601 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-03 03:15:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:32,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:32,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:32,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:33,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-03 03:15:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:33,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:33,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:33,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:33,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:33,190 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:33,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-03 03:15:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:33,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:33,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:33,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:33,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-03 03:15:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:33,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:33,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:33,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:33,753 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:33,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-03 03:15:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:33,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:34,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:34,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:34,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:34,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-03 03:15:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:34,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:34,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:34,335 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:34,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-03 03:15:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:34,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:34,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:34,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:34,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2023-12-03 03:15:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:34,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:34,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:34,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:34,925 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:34,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-03 03:15:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:35,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:35,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:35,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:35,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-03 03:15:35,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:35,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:35,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:35,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:35,472 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:35,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-03 03:15:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:35,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:35,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:35,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:36,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2023-12-03 03:15:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:36,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:36,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:36,044 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:36,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-03 03:15:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:36,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:36,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:36,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:36,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-03 03:15:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:36,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:36,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:36,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:36,631 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:36,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-03 03:15:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:36,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:36,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:36,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:37,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2023-12-03 03:15:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:37,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:37,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:37,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:37,192 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:37,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-03 03:15:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:37,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:37,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:37,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:37,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2023-12-03 03:15:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:37,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:37,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:37,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:37,814 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:37,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-03 03:15:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:38,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:38,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:38,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:38,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-03 03:15:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:38,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:38,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:38,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:38,378 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:38,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-03 03:15:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:38,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:38,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:38,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:38,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2023-12-03 03:15:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:38,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:38,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:38,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:38,903 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-03 03:15:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:39,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:39,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:39,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:39,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2023-12-03 03:15:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:39,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:39,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:39,469 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:39,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-03 03:15:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:39,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:39,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:39,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:40,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-03 03:15:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:40,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:40,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:40,022 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-03 03:15:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:40,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:40,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:40,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:40,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-03 03:15:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:40,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:40,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:40,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:40,570 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:40,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-03 03:15:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:40,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:40,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:40,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:41,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-03 03:15:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:41,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:41,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:41,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:41,124 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-03 03:15:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:41,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:41,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:15:41,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:15:41,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-03 03:15:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:41,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:41,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:41,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:41,663 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:41,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-03 03:15:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:41,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:41,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:41,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:42,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2023-12-03 03:15:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:42,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:42,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:42,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:42,228 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:42,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-03 03:15:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:42,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:42,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:42,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:42,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-03 03:15:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:42,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:42,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:42,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:42,829 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-03 03:15:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:43,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:43,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:43,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:43,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-03 03:15:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:43,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:43,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:43,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:43,379 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:43,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-03 03:15:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:43,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:43,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:43,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:43,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-03 03:15:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:43,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:43,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:43,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:43,940 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:43,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-03 03:15:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:44,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:44,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:44,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:44,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2023-12-03 03:15:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:44,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:44,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:44,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:44,527 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:44,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-03 03:15:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:44,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:44,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:44,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:45,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-03 03:15:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:45,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:45,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:45,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:45,117 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:45,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-03 03:15:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:45,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:45,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:45,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:45,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:45,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:45,671 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:45,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-03 03:15:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:45,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:45,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:45,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:46,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:46,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:46,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:46,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:46,193 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:46,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-03 03:15:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:46,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:46,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:46,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:46,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:46,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:46,799 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:46,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-03 03:15:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:47,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:47,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:47,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:47,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-03 03:15:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:47,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:47,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:47,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:47,354 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:47,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-03 03:15:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:47,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:47,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:47,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:47,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-03 03:15:47,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:47,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:47,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:47,921 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:47,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-03 03:15:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:48,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:48,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:48,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:48,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-03 03:15:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:48,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:48,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:48,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:48,471 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:48,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-03 03:15:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:48,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:48,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:48,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:48,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-03 03:15:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:48,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:48,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:48,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:48,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:48,995 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:48,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-03 03:15:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:49,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:49,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:49,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:49,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-03 03:15:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:49,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:49,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:49,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:49,557 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:49,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-03 03:15:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:49,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:49,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:49,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:50,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-03 03:15:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:50,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:50,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:50,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:50,113 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:50,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-03 03:15:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:50,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:50,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:50,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:50,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-03 03:15:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:50,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:50,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:50,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:50,675 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:50,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-03 03:15:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:50,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:50,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:50,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:51,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-03 03:15:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:51,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:51,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:51,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:51,227 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:51,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-03 03:15:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:51,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:51,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:51,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:51,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:51,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:51,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:51,809 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:51,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-03 03:15:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:52,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:52,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:52,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:52,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-03 03:15:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:52,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:52,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:52,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:52,369 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:52,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-03 03:15:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:52,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:52,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:52,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:52,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2023-12-03 03:15:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:52,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:52,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:52,938 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:52,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-03 03:15:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:53,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:53,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:53,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:53,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2023-12-03 03:15:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:53,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:53,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:53,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:53,520 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:53,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-03 03:15:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:53,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:53,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:53,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:54,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-03 03:15:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:54,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:54,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:54,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:54,136 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:54,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-03 03:15:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:54,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:54,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:54,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:54,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2023-12-03 03:15:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:54,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:54,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:54,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:54,713 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:54,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-03 03:15:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:54,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:54,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:54,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:55,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-03 03:15:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:55,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:55,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:55,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:55,299 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:55,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-03 03:15:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:55,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:55,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:55,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:55,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-03 03:15:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:55,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:55,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:55,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:55,853 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:55,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-03 03:15:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:56,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:56,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:56,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:56,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-03 03:15:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:56,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:56,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:56,405 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:56,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-03 03:15:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:56,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:56,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:56,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:57,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2023-12-03 03:15:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:57,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:57,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:57,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:57,037 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:57,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-03 03:15:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:57,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:57,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:57,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:57,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-03 03:15:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:57,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:57,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:57,597 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:57,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-03 03:15:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:57,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:57,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:57,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:58,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-03 03:15:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:58,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:58,170 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:58,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-03 03:15:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:58,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:58,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:58,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:58,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:58,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:58,711 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:58,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-03 03:15:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:58,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:58,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:58,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:59,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2023-12-03 03:15:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:59,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:59,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:59,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:59,270 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:59,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-03 03:15:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:59,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:59,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:15:59,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:15:59,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2023-12-03 03:15:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:15:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:15:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:15:59,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:59,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:59,819 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:59,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-03 03:16:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:00,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:00,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:00,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:00,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-03 03:16:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:00,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:00,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:00,366 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:00,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-03 03:16:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:00,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:00,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:00,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:00,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-03 03:16:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:00,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:00,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:00,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:00,923 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:00,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-03 03:16:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:01,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:01,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:01,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:01,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-03 03:16:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:01,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:01,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:01,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:01,476 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:01,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-03 03:16:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:01,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:01,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:01,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:02,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-03 03:16:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:02,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:02,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:02,069 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:02,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-03 03:16:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:02,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:02,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:02,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:02,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-03 03:16:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:02,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:02,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:02,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:02,614 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:02,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-03 03:16:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:02,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:02,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:02,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:03,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:03,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:03,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:03,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:03,155 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:03,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-03 03:16:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:03,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:03,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:03,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:03,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-03 03:16:03,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:03,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:03,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:03,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:03,698 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:03,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-03 03:16:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:03,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:03,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:03,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:04,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-03 03:16:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:04,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:04,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:04,235 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:04,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-03 03:16:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:04,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:04,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:04,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:04,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-03 03:16:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:04,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:04,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:04,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:04,799 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:04,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-03 03:16:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:05,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:05,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:05,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:05,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-03 03:16:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:05,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:05,357 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:05,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-03 03:16:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:05,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:05,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:05,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:05,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2023-12-03 03:16:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:05,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:05,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:05,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:05,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:05,911 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:05,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-03 03:16:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:06,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:06,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:06,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:06,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2023-12-03 03:16:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:06,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:06,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:06,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:06,483 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:06,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-03 03:16:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:06,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:06,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:06,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:07,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-03 03:16:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:07,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:07,048 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:07,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-03 03:16:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:07,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:07,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:07,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:07,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-03 03:16:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:07,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:07,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:07,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:07,594 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-03 03:16:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:07,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:07,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:07,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:08,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-03 03:16:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:08,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:08,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:08,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:08,183 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:08,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-03 03:16:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:08,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:08,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:08,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:08,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2023-12-03 03:16:08,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:08,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:08,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:08,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:08,777 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:08,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-03 03:16:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:09,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:09,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:09,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-03 03:16:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:09,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:09,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:09,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:09,324 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:09,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-03 03:16:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:09,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:09,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:09,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:09,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-03 03:16:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:09,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:09,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:09,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:09,883 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:09,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-03 03:16:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:10,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:10,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:10,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:10,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-03 03:16:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:10,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:10,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:10,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:10,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:10,425 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:10,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-03 03:16:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:10,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:10,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:10,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:10,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2023-12-03 03:16:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:11,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:11,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:11,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:11,002 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:11,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-03 03:16:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:11,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:11,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:11,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:11,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-03 03:16:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:11,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:11,561 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:11,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-03 03:16:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:11,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:11,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:11,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:12,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-03 03:16:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:12,117 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:12,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:12,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:12,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:12,118 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:12,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-03 03:16:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:12,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:12,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:12,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:12,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-03 03:16:12,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:12,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:12,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:12,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:12,669 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:12,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-03 03:16:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:12,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:12,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:12,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:13,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2023-12-03 03:16:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:13,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:13,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:13,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:13,243 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:13,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-03 03:16:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:13,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:13,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:13,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:13,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2023-12-03 03:16:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:13,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:13,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:13,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:13,782 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:13,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-03 03:16:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:14,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:14,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:14,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:14,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2023-12-03 03:16:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:14,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:14,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:14,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:14,312 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:14,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-03 03:16:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:14,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:14,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:14,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:14,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-03 03:16:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:14,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:14,852 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:14,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-03 03:16:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:15,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:15,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:15,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:15,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-03 03:16:15,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:15,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:15,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:15,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:15,411 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:15,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-03 03:16:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:15,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:15,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:15,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:15,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:15,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:15,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:15,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:15,958 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:15,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-03 03:16:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:16,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:16,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:16,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:16,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:16,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:16,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:16,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:16,503 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:16,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-03 03:16:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:16,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:16,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:16,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:17,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:17,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:17,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:17,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:17,086 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:17,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-03 03:16:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:17,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:17,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:17,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:17,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2023-12-03 03:16:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:17,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:17,643 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:17,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-03 03:16:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:17,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:17,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:17,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:18,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2023-12-03 03:16:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:18,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:18,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:18,226 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:18,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-03 03:16:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:18,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:18,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:18,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:18,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-03 03:16:18,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:18,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:18,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:18,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:18,782 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:18,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-03 03:16:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:19,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:19,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:19,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:19,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-03 03:16:19,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:19,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:19,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:19,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:19,331 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:19,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-03 03:16:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:19,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:19,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:19,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:19,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-03 03:16:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:19,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:19,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:19,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:19,880 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:19,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-03 03:16:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:20,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:20,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:20,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:20,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2023-12-03 03:16:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:20,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:20,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:20,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:20,496 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:20,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2023-12-03 03:16:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:20,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:20,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:20,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:21,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2023-12-03 03:16:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:21,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:21,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:21,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:21,091 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:21,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2023-12-03 03:16:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:21,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:21,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:21,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:21,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2023-12-03 03:16:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:21,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:21,684 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:21,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:21,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:21,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:21,685 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:21,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2023-12-03 03:16:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:21,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:21,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:21,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:22,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2023-12-03 03:16:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:22,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:22,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:22,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:22,256 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:22,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2023-12-03 03:16:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:22,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:22,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:22,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:22,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2023-12-03 03:16:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:22,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:22,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:22,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:22,802 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:22,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2023-12-03 03:16:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:23,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:23,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:23,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:23,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:23,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2023-12-03 03:16:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:23,333 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:23,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:23,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:23,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:23,334 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:23,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2023-12-03 03:16:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:23,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:23,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:23,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:23,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2023-12-03 03:16:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:23,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:23,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:23,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:23,898 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:23,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2023-12-03 03:16:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:24,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:24,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:24,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:24,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2023-12-03 03:16:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:24,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:24,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:24,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:24,461 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:24,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2023-12-03 03:16:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:24,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:24,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:24,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:25,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2023-12-03 03:16:25,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:25,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:25,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:25,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:25,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:25,018 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:25,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2023-12-03 03:16:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:25,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:25,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:25,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:25,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:25,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:25,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:25,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:25,568 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:25,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2023-12-03 03:16:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:25,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:25,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:25,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:26,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2023-12-03 03:16:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:26,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:26,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:26,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:26,130 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:26,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2023-12-03 03:16:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:26,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:26,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:26,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:26,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2023-12-03 03:16:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:26,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:26,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:26,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:26,689 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:26,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2023-12-03 03:16:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:26,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:26,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:26,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:27,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2023-12-03 03:16:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:27,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:27,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:27,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:27,233 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:27,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2023-12-03 03:16:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:27,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:27,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:27,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:27,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2023-12-03 03:16:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:27,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:27,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:27,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:27,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:27,757 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:27,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2023-12-03 03:16:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:27,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:28,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:28,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:28,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2023-12-03 03:16:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:28,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:28,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:28,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:28,287 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:28,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2023-12-03 03:16:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:28,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:28,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:28,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:28,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2023-12-03 03:16:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:28,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:28,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:28,852 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:28,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2023-12-03 03:16:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:29,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:29,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:29,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:29,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2023-12-03 03:16:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:29,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:29,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:29,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:29,403 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:29,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2023-12-03 03:16:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:29,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:29,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:29,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:29,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2023-12-03 03:16:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:29,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:29,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:29,950 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:29,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2023-12-03 03:16:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:30,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:30,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:30,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:30,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2023-12-03 03:16:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:30,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:30,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:30,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:30,535 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:30,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2023-12-03 03:16:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:30,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:30,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:30,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:31,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2023-12-03 03:16:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:31,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:31,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:31,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:31,075 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:31,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2023-12-03 03:16:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:31,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:31,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:31,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:31,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2023-12-03 03:16:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:31,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:31,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:31,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:31,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:31,637 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:31,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2023-12-03 03:16:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:31,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:31,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:31,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:32,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2023-12-03 03:16:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:32,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:32,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:32,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:32,192 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:32,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2023-12-03 03:16:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:32,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:32,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:32,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:32,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2023-12-03 03:16:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:32,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:32,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:32,771 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:32,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2023-12-03 03:16:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:33,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:33,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:33,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:33,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2023-12-03 03:16:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:33,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:33,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:33,340 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:33,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2023-12-03 03:16:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:33,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:33,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:33,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:33,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2023-12-03 03:16:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:33,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:33,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:33,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:33,921 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:33,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2023-12-03 03:16:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:34,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:34,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:34,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:34,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2023-12-03 03:16:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:34,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:34,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:34,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:34,517 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:34,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2023-12-03 03:16:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:34,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:34,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:16:34,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:16:35,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2023-12-03 03:16:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:35,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:35,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:35,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:35,046 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:35,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2023-12-03 03:16:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:35,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:35,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:35,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:35,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:35,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:35,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:35,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:35,611 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:35,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2023-12-03 03:16:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:35,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:35,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:35,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:36,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2023-12-03 03:16:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:36,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:36,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:36,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:36,175 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:36,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2023-12-03 03:16:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:36,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:36,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:36,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:36,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:36,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:36,708 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:36,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2023-12-03 03:16:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:36,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:37,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:37,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:37,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2023-12-03 03:16:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:37,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:37,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:37,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:37,303 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:37,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2023-12-03 03:16:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:37,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:37,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:37,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:37,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2023-12-03 03:16:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:37,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:37,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:37,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:37,852 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:37,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2023-12-03 03:16:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:38,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:38,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:38,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:38,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2023-12-03 03:16:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:38,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:38,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:38,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:38,401 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:38,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2023-12-03 03:16:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:38,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:38,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:38,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:38,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:38,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:38,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:38,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:38,993 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:38,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2023-12-03 03:16:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:39,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:39,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:39,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:39,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2023-12-03 03:16:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:39,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:39,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:39,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:39,531 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:39,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2023-12-03 03:16:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:39,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:39,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:39,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:40,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2023-12-03 03:16:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:40,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:40,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:40,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:40,117 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:40,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2023-12-03 03:16:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:40,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:40,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:40,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:40,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2023-12-03 03:16:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:40,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:40,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:40,682 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:40,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2023-12-03 03:16:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:40,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:40,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:40,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:41,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2023-12-03 03:16:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:41,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:41,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:41,271 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:41,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2023-12-03 03:16:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:41,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:41,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:41,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:41,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2023-12-03 03:16:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:41,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:41,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:41,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:41,841 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:41,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2023-12-03 03:16:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:42,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:42,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:42,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:42,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2023-12-03 03:16:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:42,371 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:42,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:42,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:42,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:42,372 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:42,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2023-12-03 03:16:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:42,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:42,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:42,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:42,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2023-12-03 03:16:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:42,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:42,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:42,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:42,935 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:42,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2023-12-03 03:16:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:43,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:43,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:43,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:43,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2023-12-03 03:16:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:43,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:43,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:43,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:43,514 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:43,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2023-12-03 03:16:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:43,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:43,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:43,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:44,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:44,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:44,082 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:44,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2023-12-03 03:16:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:44,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:44,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:44,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:44,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2023-12-03 03:16:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:44,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:44,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:44,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:44,644 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:44,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2023-12-03 03:16:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:44,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:44,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:44,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:45,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2023-12-03 03:16:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:45,178 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:45,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:45,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:45,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:45,179 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:45,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2023-12-03 03:16:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:45,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:45,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:45,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:45,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2023-12-03 03:16:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:45,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:45,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:45,707 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:45,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2023-12-03 03:16:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:45,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:45,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:45,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:46,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2023-12-03 03:16:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:46,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:46,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:46,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:46,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:46,256 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:46,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2023-12-03 03:16:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:46,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:46,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:46,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:46,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:46,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:46,809 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:46,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2023-12-03 03:16:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:47,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:47,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:47,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:47,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:47,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:47,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:47,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:47,368 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:47,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2023-12-03 03:16:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:47,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:47,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:47,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:47,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2023-12-03 03:16:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:47,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:47,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:47,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:47,902 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:47,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2023-12-03 03:16:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:48,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:48,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:48,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:48,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2023-12-03 03:16:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:48,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:48,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:48,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:48,508 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:48,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2023-12-03 03:16:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:48,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:48,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:48,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:49,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2023-12-03 03:16:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:49,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:49,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:49,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:49,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:49,046 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:49,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2023-12-03 03:16:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:49,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:49,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:49,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:49,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2023-12-03 03:16:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:49,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:49,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:49,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:49,598 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2023-12-03 03:16:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:49,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:49,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:49,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:50,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2023-12-03 03:16:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:50,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:50,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:50,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:50,191 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:50,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2023-12-03 03:16:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:50,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:50,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:50,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:50,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:50,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:50,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:50,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:50,713 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:50,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2023-12-03 03:16:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:50,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:50,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:50,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:51,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2023-12-03 03:16:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:51,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:51,291 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:51,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2023-12-03 03:16:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:51,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:51,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:51,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:51,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2023-12-03 03:16:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:51,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:51,880 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:51,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2023-12-03 03:16:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:52,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:52,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:52,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:52,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2023-12-03 03:16:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:52,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:52,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:52,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:52,454 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:52,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2023-12-03 03:16:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:52,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:52,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:52,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:53,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2023-12-03 03:16:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:53,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:53,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:53,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:53,013 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:53,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2023-12-03 03:16:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:53,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:53,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:53,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:53,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2023-12-03 03:16:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:53,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:53,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:53,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:53,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:53,558 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:53,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2023-12-03 03:16:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:53,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:53,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:53,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:54,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2023-12-03 03:16:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:54,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:54,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:54,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:54,123 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:54,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2023-12-03 03:16:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:54,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:54,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:54,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:54,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2023-12-03 03:16:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:54,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:54,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:54,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:54,709 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:54,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2023-12-03 03:16:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:54,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:54,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:54,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:55,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2023-12-03 03:16:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:55,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:55,302 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:55,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2023-12-03 03:16:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:55,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:55,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:55,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:55,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2023-12-03 03:16:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:55,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:55,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:55,843 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:55,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2023-12-03 03:16:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:56,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:56,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:56,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:56,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2023-12-03 03:16:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:56,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:56,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:56,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:56,398 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:56,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2023-12-03 03:16:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:56,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:56,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:56,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:56,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2023-12-03 03:16:56,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:56,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:56,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:56,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:56,962 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:56,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2023-12-03 03:16:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:57,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:57,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:57,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:57,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2023-12-03 03:16:57,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:57,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:57,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:57,525 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:57,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2023-12-03 03:16:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:57,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:57,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:57,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:58,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2023-12-03 03:16:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:58,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:58,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:58,091 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2023-12-03 03:16:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:58,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:58,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:58,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:58,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2023-12-03 03:16:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:58,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:58,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:58,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:58,646 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:58,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2023-12-03 03:16:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:58,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:58,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:58,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:59,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2023-12-03 03:16:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:59,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:59,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:59,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:59,241 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:59,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2023-12-03 03:16:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:59,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:59,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:16:59,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:16:59,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2023-12-03 03:16:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:16:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:16:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:16:59,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:59,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:59,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:59,778 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:59,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2023-12-03 03:17:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:00,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:00,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:00,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:00,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2023-12-03 03:17:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:00,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:00,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:00,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:00,317 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:00,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2023-12-03 03:17:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:00,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:00,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:00,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:00,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2023-12-03 03:17:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:00,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:00,871 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:00,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2023-12-03 03:17:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:01,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:01,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:01,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2023-12-03 03:17:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:01,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:01,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:01,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:01,430 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:01,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2023-12-03 03:17:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:01,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:01,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:01,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:01,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2023-12-03 03:17:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:01,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:01,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:01,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:01,988 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:01,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2023-12-03 03:17:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:02,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:02,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:02,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:02,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2023-12-03 03:17:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:02,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:02,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:02,549 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:02,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2023-12-03 03:17:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:02,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:02,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:02,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:03,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Forceful destruction successful, exit code 0 [2023-12-03 03:17:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:03,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:03,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:03,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:03,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:03,127 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:03,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2023-12-03 03:17:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:03,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:03,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:17:03,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:17:03,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 [2023-12-03 03:17:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:17:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:17:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:17:03,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:03,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:03,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:03,700 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:03,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2023-12-03 03:17:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:03,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2023-12-03 03:24:13,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:13,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:13,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:13,284 INFO L229 MonitoredProcess]: Starting monitored process 1129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:13,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1129)] Waiting until timeout for monitored process [2023-12-03 03:24:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:13,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:13,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:13,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:13,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1129)] Ended with exit code 0 [2023-12-03 03:24:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:13,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:13,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:13,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:13,865 INFO L229 MonitoredProcess]: Starting monitored process 1130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:13,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1130)] Waiting until timeout for monitored process [2023-12-03 03:24:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:14,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:14,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1130)] Ended with exit code 0 [2023-12-03 03:24:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:14,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:14,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:14,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:14,430 INFO L229 MonitoredProcess]: Starting monitored process 1131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:14,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1131)] Waiting until timeout for monitored process [2023-12-03 03:24:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:14,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:15,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1131)] Ended with exit code 0 [2023-12-03 03:24:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:15,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:15,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:15,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:15,036 INFO L229 MonitoredProcess]: Starting monitored process 1132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:15,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1132)] Waiting until timeout for monitored process [2023-12-03 03:24:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:15,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:15,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:15,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:15,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1132)] Ended with exit code 0 [2023-12-03 03:24:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:15,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:15,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:15,645 INFO L229 MonitoredProcess]: Starting monitored process 1133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:15,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1133)] Waiting until timeout for monitored process [2023-12-03 03:24:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:15,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:15,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:15,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:16,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1133)] Ended with exit code 0 [2023-12-03 03:24:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:16,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:16,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:16,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:16,235 INFO L229 MonitoredProcess]: Starting monitored process 1134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:16,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1134)] Waiting until timeout for monitored process [2023-12-03 03:24:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:16,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:16,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:16,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:16,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1134)] Ended with exit code 0 [2023-12-03 03:24:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:16,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:16,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:16,766 INFO L229 MonitoredProcess]: Starting monitored process 1135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:16,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1135)] Waiting until timeout for monitored process [2023-12-03 03:24:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:16,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:17,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:17,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:17,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1135)] Ended with exit code 0 [2023-12-03 03:24:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:17,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:17,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:17,339 INFO L229 MonitoredProcess]: Starting monitored process 1136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:17,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1136)] Waiting until timeout for monitored process [2023-12-03 03:24:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:17,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:17,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:17,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:17,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1136)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:17,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:17,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:17,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:17,921 INFO L229 MonitoredProcess]: Starting monitored process 1137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:17,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1137)] Waiting until timeout for monitored process [2023-12-03 03:24:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:18,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:18,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:18,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:18,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1137)] Ended with exit code 0 [2023-12-03 03:24:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:18,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:18,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:18,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:18,505 INFO L229 MonitoredProcess]: Starting monitored process 1138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:18,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1138)] Waiting until timeout for monitored process [2023-12-03 03:24:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:18,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:18,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:18,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:19,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1138)] Ended with exit code 0 [2023-12-03 03:24:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:19,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:19,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:19,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:19,098 INFO L229 MonitoredProcess]: Starting monitored process 1139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:19,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1139)] Waiting until timeout for monitored process [2023-12-03 03:24:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:19,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:19,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:19,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:19,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1139)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:19,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:19,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:19,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:19,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:19,667 INFO L229 MonitoredProcess]: Starting monitored process 1140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:19,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1140)] Waiting until timeout for monitored process [2023-12-03 03:24:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:19,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:19,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:19,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:20,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1140)] Ended with exit code 0 [2023-12-03 03:24:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:20,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:20,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:20,228 INFO L229 MonitoredProcess]: Starting monitored process 1141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:20,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1141)] Waiting until timeout for monitored process [2023-12-03 03:24:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:20,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:20,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:20,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:20,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1141)] Ended with exit code 0 [2023-12-03 03:24:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:20,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:20,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:20,817 INFO L229 MonitoredProcess]: Starting monitored process 1142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1142)] Waiting until timeout for monitored process [2023-12-03 03:24:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:21,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:21,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:21,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:21,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1142)] Ended with exit code 0 [2023-12-03 03:24:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:21,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:21,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:21,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:21,453 INFO L229 MonitoredProcess]: Starting monitored process 1143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1143)] Waiting until timeout for monitored process [2023-12-03 03:24:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:21,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:21,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:21,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:22,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1143)] Ended with exit code 0 [2023-12-03 03:24:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:22,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:22,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:22,033 INFO L229 MonitoredProcess]: Starting monitored process 1144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:22,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1144)] Waiting until timeout for monitored process [2023-12-03 03:24:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:22,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:22,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:22,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:22,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1144)] Ended with exit code 0 [2023-12-03 03:24:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:22,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:22,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:22,591 INFO L229 MonitoredProcess]: Starting monitored process 1145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:22,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1145)] Waiting until timeout for monitored process [2023-12-03 03:24:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:22,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:22,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:22,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:23,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1145)] Ended with exit code 0 [2023-12-03 03:24:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:23,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:23,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:23,197 INFO L229 MonitoredProcess]: Starting monitored process 1146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:23,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1146)] Waiting until timeout for monitored process [2023-12-03 03:24:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:23,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:23,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:23,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:23,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1146)] Ended with exit code 0 [2023-12-03 03:24:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:23,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:23,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:23,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:23,754 INFO L229 MonitoredProcess]: Starting monitored process 1147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:23,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1147)] Waiting until timeout for monitored process [2023-12-03 03:24:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:23,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:24,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:24,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:24,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1147)] Ended with exit code 0 [2023-12-03 03:24:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:24,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:24,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:24,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:24,287 INFO L229 MonitoredProcess]: Starting monitored process 1148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:24,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1148)] Waiting until timeout for monitored process [2023-12-03 03:24:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:24,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:24,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:24,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:24,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1148)] Ended with exit code 0 [2023-12-03 03:24:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:24,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:24,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:24,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:24,883 INFO L229 MonitoredProcess]: Starting monitored process 1149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:24,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1149)] Waiting until timeout for monitored process [2023-12-03 03:24:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:25,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:25,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:25,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:25,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1149)] Ended with exit code 0 [2023-12-03 03:24:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:25,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:25,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:25,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:25,470 INFO L229 MonitoredProcess]: Starting monitored process 1150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:25,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1150)] Waiting until timeout for monitored process [2023-12-03 03:24:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:25,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:25,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:25,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:26,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1150)] Ended with exit code 0 [2023-12-03 03:24:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:26,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:26,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:26,034 INFO L229 MonitoredProcess]: Starting monitored process 1151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:26,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1151)] Waiting until timeout for monitored process [2023-12-03 03:24:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:26,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:26,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1151)] Ended with exit code 0 [2023-12-03 03:24:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:26,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:26,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:26,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:26,629 INFO L229 MonitoredProcess]: Starting monitored process 1152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:26,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1152)] Waiting until timeout for monitored process [2023-12-03 03:24:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:26,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:27,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1152)] Ended with exit code 0 [2023-12-03 03:24:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:27,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:27,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:27,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:27,213 INFO L229 MonitoredProcess]: Starting monitored process 1153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:27,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1153)] Waiting until timeout for monitored process [2023-12-03 03:24:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:27,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:27,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:27,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:27,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1153)] Ended with exit code 0 [2023-12-03 03:24:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:27,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:27,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:27,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:27,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:27,834 INFO L229 MonitoredProcess]: Starting monitored process 1154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:27,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1154)] Waiting until timeout for monitored process [2023-12-03 03:24:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:28,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:28,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:28,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:28,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1154)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:28,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:28,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:28,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:28,433 INFO L229 MonitoredProcess]: Starting monitored process 1155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:28,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1155)] Waiting until timeout for monitored process [2023-12-03 03:24:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:28,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:28,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:28,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:29,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1155)] Ended with exit code 0 [2023-12-03 03:24:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:29,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:29,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:29,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:29,035 INFO L229 MonitoredProcess]: Starting monitored process 1156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:29,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1156)] Waiting until timeout for monitored process [2023-12-03 03:24:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:29,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:29,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1156)] Ended with exit code 0 [2023-12-03 03:24:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:29,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:29,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:29,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:29,609 INFO L229 MonitoredProcess]: Starting monitored process 1157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:29,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1157)] Waiting until timeout for monitored process [2023-12-03 03:24:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:29,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:30,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1157)] Ended with exit code 0 [2023-12-03 03:24:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:30,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:30,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:30,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:30,201 INFO L229 MonitoredProcess]: Starting monitored process 1158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:30,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1158)] Waiting until timeout for monitored process [2023-12-03 03:24:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:30,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:30,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:30,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:30,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1158)] Ended with exit code 0 [2023-12-03 03:24:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:30,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:30,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:30,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:30,780 INFO L229 MonitoredProcess]: Starting monitored process 1159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:30,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1159)] Waiting until timeout for monitored process [2023-12-03 03:24:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:31,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:31,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1159)] Ended with exit code 0 [2023-12-03 03:24:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:31,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:31,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:31,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:31,403 INFO L229 MonitoredProcess]: Starting monitored process 1160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:31,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1160)] Waiting until timeout for monitored process [2023-12-03 03:24:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:24:31,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:24:31,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1160)] Ended with exit code 0 [2023-12-03 03:24:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:31,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:31,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:31,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:31,934 INFO L229 MonitoredProcess]: Starting monitored process 1161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:31,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1161)] Waiting until timeout for monitored process [2023-12-03 03:24:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:32,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:32,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:32,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:32,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1161)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:32,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:32,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:32,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:32,519 INFO L229 MonitoredProcess]: Starting monitored process 1162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:32,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1162)] Waiting until timeout for monitored process [2023-12-03 03:24:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:32,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:32,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:32,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1162)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:33,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:33,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:33,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:33,111 INFO L229 MonitoredProcess]: Starting monitored process 1163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:33,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1163)] Waiting until timeout for monitored process [2023-12-03 03:24:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:33,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:33,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1163)] Ended with exit code 0 [2023-12-03 03:24:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:33,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:33,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:33,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:33,689 INFO L229 MonitoredProcess]: Starting monitored process 1164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:33,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1164)] Waiting until timeout for monitored process [2023-12-03 03:24:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:33,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:34,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1164)] Ended with exit code 0 [2023-12-03 03:24:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:34,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:34,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:34,266 INFO L229 MonitoredProcess]: Starting monitored process 1165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:34,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1165)] Waiting until timeout for monitored process [2023-12-03 03:24:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:34,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:34,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:34,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:34,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1165)] Ended with exit code 0 [2023-12-03 03:24:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:34,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:34,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:34,852 INFO L229 MonitoredProcess]: Starting monitored process 1166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:34,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1166)] Waiting until timeout for monitored process [2023-12-03 03:24:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:35,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:35,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:35,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:35,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1166)] Ended with exit code 0 [2023-12-03 03:24:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:35,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:35,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:35,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:35,458 INFO L229 MonitoredProcess]: Starting monitored process 1167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:35,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1167)] Waiting until timeout for monitored process [2023-12-03 03:24:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:35,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:35,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:35,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:36,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1167)] Ended with exit code 0 [2023-12-03 03:24:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:36,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:36,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:36,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:36,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:36,011 INFO L229 MonitoredProcess]: Starting monitored process 1168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:36,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1168)] Waiting until timeout for monitored process [2023-12-03 03:24:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:36,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:36,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:36,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:36,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1168)] Ended with exit code 0 [2023-12-03 03:24:36,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:36,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:36,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:36,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:36,569 INFO L229 MonitoredProcess]: Starting monitored process 1169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:36,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1169)] Waiting until timeout for monitored process [2023-12-03 03:24:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:36,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:36,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:36,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:37,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1169)] Ended with exit code 0 [2023-12-03 03:24:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:37,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:37,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:37,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:37,130 INFO L229 MonitoredProcess]: Starting monitored process 1170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:37,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1170)] Waiting until timeout for monitored process [2023-12-03 03:24:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:37,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:37,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1170)] Ended with exit code 0 [2023-12-03 03:24:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:37,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:37,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:37,702 INFO L229 MonitoredProcess]: Starting monitored process 1171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:37,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1171)] Waiting until timeout for monitored process [2023-12-03 03:24:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:37,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:38,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1171)] Ended with exit code 0 [2023-12-03 03:24:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:38,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:38,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:38,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:38,282 INFO L229 MonitoredProcess]: Starting monitored process 1172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:38,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1172)] Waiting until timeout for monitored process [2023-12-03 03:24:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:38,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:38,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:38,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:38,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1172)] Ended with exit code 0 [2023-12-03 03:24:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:38,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:38,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:38,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:38,858 INFO L229 MonitoredProcess]: Starting monitored process 1173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:38,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1173)] Waiting until timeout for monitored process [2023-12-03 03:24:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:39,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:39,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1173)] Ended with exit code 0 [2023-12-03 03:24:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:39,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:39,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:39,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:39,433 INFO L229 MonitoredProcess]: Starting monitored process 1174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:39,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1174)] Waiting until timeout for monitored process [2023-12-03 03:24:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:39,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:40,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1174)] Ended with exit code 0 [2023-12-03 03:24:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:40,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:40,023 INFO L229 MonitoredProcess]: Starting monitored process 1175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1175)] Waiting until timeout for monitored process [2023-12-03 03:24:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:40,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:40,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:40,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:40,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1175)] Ended with exit code 0 [2023-12-03 03:24:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:40,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:40,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:40,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:40,600 INFO L229 MonitoredProcess]: Starting monitored process 1176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:40,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1176)] Waiting until timeout for monitored process [2023-12-03 03:24:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:40,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:40,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:40,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:41,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1176)] Ended with exit code 0 [2023-12-03 03:24:41,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:41,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:41,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:41,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:41,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:41,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:41,196 INFO L229 MonitoredProcess]: Starting monitored process 1177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:41,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1177)] Waiting until timeout for monitored process [2023-12-03 03:24:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:41,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:41,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:41,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:41,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1177)] Ended with exit code 0 [2023-12-03 03:24:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:41,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:41,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:41,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:41,762 INFO L229 MonitoredProcess]: Starting monitored process 1178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:41,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1178)] Waiting until timeout for monitored process [2023-12-03 03:24:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:41,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:42,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:42,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:42,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1178)] Ended with exit code 0 [2023-12-03 03:24:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:42,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:42,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:42,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:42,328 INFO L229 MonitoredProcess]: Starting monitored process 1179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:42,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1179)] Waiting until timeout for monitored process [2023-12-03 03:24:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:42,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:42,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:42,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1179)] Ended with exit code 0 [2023-12-03 03:24:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:42,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:42,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:42,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:42,908 INFO L229 MonitoredProcess]: Starting monitored process 1180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:42,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1180)] Waiting until timeout for monitored process [2023-12-03 03:24:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:43,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:43,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1180)] Ended with exit code 0 [2023-12-03 03:24:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:43,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:43,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:43,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:43,485 INFO L229 MonitoredProcess]: Starting monitored process 1181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:43,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1181)] Waiting until timeout for monitored process [2023-12-03 03:24:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:43,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:44,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1181)] Ended with exit code 0 [2023-12-03 03:24:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:44,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:44,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:44,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:44,063 INFO L229 MonitoredProcess]: Starting monitored process 1182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:44,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1182)] Waiting until timeout for monitored process [2023-12-03 03:24:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:44,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:44,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:44,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:44,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1182)] Ended with exit code 0 [2023-12-03 03:24:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:44,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:44,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:44,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:44,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:44,645 INFO L229 MonitoredProcess]: Starting monitored process 1183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:44,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1183)] Waiting until timeout for monitored process [2023-12-03 03:24:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:44,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:44,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:44,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:45,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1183)] Ended with exit code 0 [2023-12-03 03:24:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:45,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:45,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:45,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:45,227 INFO L229 MonitoredProcess]: Starting monitored process 1184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:45,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1184)] Waiting until timeout for monitored process [2023-12-03 03:24:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:45,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:45,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:45,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:45,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1184)] Ended with exit code 0 [2023-12-03 03:24:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:45,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:45,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:45,807 INFO L229 MonitoredProcess]: Starting monitored process 1185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:45,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1185)] Waiting until timeout for monitored process [2023-12-03 03:24:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:46,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:46,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:46,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:46,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1185)] Ended with exit code 0 [2023-12-03 03:24:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:46,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:46,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:46,370 INFO L229 MonitoredProcess]: Starting monitored process 1186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:46,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1186)] Waiting until timeout for monitored process [2023-12-03 03:24:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:46,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:46,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:46,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:46,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1186)] Ended with exit code 0 [2023-12-03 03:24:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:46,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:46,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:46,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:46,958 INFO L229 MonitoredProcess]: Starting monitored process 1187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:46,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1187)] Waiting until timeout for monitored process [2023-12-03 03:24:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:47,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:47,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:47,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:47,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1187)] Ended with exit code 0 [2023-12-03 03:24:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:47,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:47,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:47,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:47,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:47,541 INFO L229 MonitoredProcess]: Starting monitored process 1188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:47,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1188)] Waiting until timeout for monitored process [2023-12-03 03:24:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:47,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:47,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:47,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:48,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1188)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:48,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:48,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:48,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:48,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:48,107 INFO L229 MonitoredProcess]: Starting monitored process 1189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:48,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1189)] Waiting until timeout for monitored process [2023-12-03 03:24:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:48,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:48,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:48,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:48,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1189)] Ended with exit code 0 [2023-12-03 03:24:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:48,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:48,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:48,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:48,724 INFO L229 MonitoredProcess]: Starting monitored process 1190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:48,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1190)] Waiting until timeout for monitored process [2023-12-03 03:24:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:48,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:48,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:48,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:49,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1190)] Ended with exit code 0 [2023-12-03 03:24:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:49,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:49,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:49,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:49,329 INFO L229 MonitoredProcess]: Starting monitored process 1191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:49,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1191)] Waiting until timeout for monitored process [2023-12-03 03:24:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:49,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:49,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:49,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:49,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1191)] Ended with exit code 0 [2023-12-03 03:24:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:49,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:49,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:49,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:49,896 INFO L229 MonitoredProcess]: Starting monitored process 1192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:49,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1192)] Waiting until timeout for monitored process [2023-12-03 03:24:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:50,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:50,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:50,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:50,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1192)] Ended with exit code 0 [2023-12-03 03:24:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:50,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:50,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:50,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:50,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:50,509 INFO L229 MonitoredProcess]: Starting monitored process 1193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:50,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1193)] Waiting until timeout for monitored process [2023-12-03 03:24:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:50,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:50,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:50,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:51,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1193)] Ended with exit code 0 [2023-12-03 03:24:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:51,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:51,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:51,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:51,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:51,064 INFO L229 MonitoredProcess]: Starting monitored process 1194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:51,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1194)] Waiting until timeout for monitored process [2023-12-03 03:24:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:51,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:51,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1194)] Ended with exit code 0 [2023-12-03 03:24:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:51,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:51,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:51,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:51,661 INFO L229 MonitoredProcess]: Starting monitored process 1195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:51,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1195)] Waiting until timeout for monitored process [2023-12-03 03:24:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:51,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:52,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1195)] Ended with exit code 0 [2023-12-03 03:24:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:52,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:52,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:52,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:52,265 INFO L229 MonitoredProcess]: Starting monitored process 1196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1196)] Waiting until timeout for monitored process [2023-12-03 03:24:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:52,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:52,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:52,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:52,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1196)] Ended with exit code 0 [2023-12-03 03:24:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:52,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:52,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:52,862 INFO L229 MonitoredProcess]: Starting monitored process 1197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:52,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1197)] Waiting until timeout for monitored process [2023-12-03 03:24:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:53,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:53,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:53,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:53,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1197)] Ended with exit code 0 [2023-12-03 03:24:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:53,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:53,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:53,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:53,421 INFO L229 MonitoredProcess]: Starting monitored process 1198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:53,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1198)] Waiting until timeout for monitored process [2023-12-03 03:24:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:53,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:53,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:53,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:53,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1198)] Ended with exit code 0 [2023-12-03 03:24:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:53,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:53,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:53,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:53,992 INFO L229 MonitoredProcess]: Starting monitored process 1199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:53,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1199)] Waiting until timeout for monitored process [2023-12-03 03:24:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:54,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:54,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:54,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:54,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1199)] Ended with exit code 0 [2023-12-03 03:24:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:54,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:54,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:54,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:54,558 INFO L229 MonitoredProcess]: Starting monitored process 1200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:54,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1200)] Waiting until timeout for monitored process [2023-12-03 03:24:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:54,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:54,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:54,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:55,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1200)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:55,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:55,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:55,095 INFO L229 MonitoredProcess]: Starting monitored process 1201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:55,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1201)] Waiting until timeout for monitored process [2023-12-03 03:24:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:55,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:55,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:55,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:55,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1201)] Ended with exit code 0 [2023-12-03 03:24:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:55,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:55,697 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:55,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:55,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:55,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:55,698 INFO L229 MonitoredProcess]: Starting monitored process 1202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:55,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1202)] Waiting until timeout for monitored process [2023-12-03 03:24:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:55,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:55,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:55,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:56,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1202)] Ended with exit code 0 [2023-12-03 03:24:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:56,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:56,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:56,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:56,255 INFO L229 MonitoredProcess]: Starting monitored process 1203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:56,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1203)] Waiting until timeout for monitored process [2023-12-03 03:24:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:56,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:56,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:56,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:56,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1203)] Ended with exit code 0 [2023-12-03 03:24:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:56,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:56,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:56,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:56,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:56,811 INFO L229 MonitoredProcess]: Starting monitored process 1204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:56,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1204)] Waiting until timeout for monitored process [2023-12-03 03:24:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:57,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:57,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:57,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:57,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1204)] Ended with exit code 0 [2023-12-03 03:24:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:57,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:57,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:57,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:57,370 INFO L229 MonitoredProcess]: Starting monitored process 1205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:57,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1205)] Waiting until timeout for monitored process [2023-12-03 03:24:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:57,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:57,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:57,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:57,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1205)] Ended with exit code 0 [2023-12-03 03:24:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:57,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:57,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:57,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:57,980 INFO L229 MonitoredProcess]: Starting monitored process 1206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:57,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1206)] Waiting until timeout for monitored process [2023-12-03 03:24:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:58,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:58,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:58,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:58,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1206)] Ended with exit code 0 [2023-12-03 03:24:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:58,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:58,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:58,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:58,554 INFO L229 MonitoredProcess]: Starting monitored process 1207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:58,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1207)] Waiting until timeout for monitored process [2023-12-03 03:24:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:58,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:58,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:58,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:59,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1207)] Ended with exit code 0 [2023-12-03 03:24:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:59,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:59,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:59,134 INFO L229 MonitoredProcess]: Starting monitored process 1208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:59,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1208)] Waiting until timeout for monitored process [2023-12-03 03:24:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:59,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:59,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:59,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:24:59,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1208)] Ended with exit code 0 [2023-12-03 03:24:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:24:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:24:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:24:59,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:59,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:59,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:59,727 INFO L229 MonitoredProcess]: Starting monitored process 1209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:59,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1209)] Waiting until timeout for monitored process [2023-12-03 03:24:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:59,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:59,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:24:59,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:00,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:00,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1209)] Ended with exit code 0 [2023-12-03 03:25:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:00,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:00,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:00,337 INFO L229 MonitoredProcess]: Starting monitored process 1210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:00,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1210)] Waiting until timeout for monitored process [2023-12-03 03:25:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:00,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:00,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:00,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:00,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1210)] Ended with exit code 0 [2023-12-03 03:25:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:00,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:00,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:00,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:00,964 INFO L229 MonitoredProcess]: Starting monitored process 1211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:00,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1211)] Waiting until timeout for monitored process [2023-12-03 03:25:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:01,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:01,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:01,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:01,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1211)] Ended with exit code 0 [2023-12-03 03:25:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:01,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:01,522 INFO L229 MonitoredProcess]: Starting monitored process 1212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:01,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1212)] Waiting until timeout for monitored process [2023-12-03 03:25:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:01,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:01,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:01,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:02,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1212)] Ended with exit code 0 [2023-12-03 03:25:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:02,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:02,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:02,081 INFO L229 MonitoredProcess]: Starting monitored process 1213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:02,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1213)] Waiting until timeout for monitored process [2023-12-03 03:25:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:02,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:02,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:02,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:02,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1213)] Ended with exit code 0 [2023-12-03 03:25:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:02,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:02,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:02,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:02,630 INFO L229 MonitoredProcess]: Starting monitored process 1214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:02,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1214)] Waiting until timeout for monitored process [2023-12-03 03:25:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:02,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:02,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:02,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:03,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1214)] Ended with exit code 0 [2023-12-03 03:25:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:03,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:03,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:03,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:03,239 INFO L229 MonitoredProcess]: Starting monitored process 1215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:03,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1215)] Waiting until timeout for monitored process [2023-12-03 03:25:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:03,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:03,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:03,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:03,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1215)] Ended with exit code 0 [2023-12-03 03:25:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:03,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:03,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:03,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:03,843 INFO L229 MonitoredProcess]: Starting monitored process 1216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:03,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1216)] Waiting until timeout for monitored process [2023-12-03 03:25:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:04,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:04,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:04,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:04,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1216)] Ended with exit code 0 [2023-12-03 03:25:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:04,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:04,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:04,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:04,419 INFO L229 MonitoredProcess]: Starting monitored process 1217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:04,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1217)] Waiting until timeout for monitored process [2023-12-03 03:25:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:04,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:04,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:04,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:04,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1217)] Ended with exit code 0 [2023-12-03 03:25:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:04,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:04,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:04,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:04,993 INFO L229 MonitoredProcess]: Starting monitored process 1218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:04,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1218)] Waiting until timeout for monitored process [2023-12-03 03:25:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:05,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:05,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:05,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:05,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1218)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:05,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:05,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:05,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:05,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:05,606 INFO L229 MonitoredProcess]: Starting monitored process 1219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:05,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1219)] Waiting until timeout for monitored process [2023-12-03 03:25:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:05,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:05,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:05,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:06,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1219)] Ended with exit code 0 [2023-12-03 03:25:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:06,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:06,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:06,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:06,199 INFO L229 MonitoredProcess]: Starting monitored process 1220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:06,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1220)] Waiting until timeout for monitored process [2023-12-03 03:25:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:06,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:06,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:06,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:06,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1220)] Ended with exit code 0 [2023-12-03 03:25:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:06,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:06,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:06,805 INFO L229 MonitoredProcess]: Starting monitored process 1221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:06,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1221)] Waiting until timeout for monitored process [2023-12-03 03:25:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:07,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:07,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:07,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:07,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1221)] Ended with exit code 0 [2023-12-03 03:25:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:07,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:07,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:07,423 INFO L229 MonitoredProcess]: Starting monitored process 1222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:07,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1222)] Waiting until timeout for monitored process [2023-12-03 03:25:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:07,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:07,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:07,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:08,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1222)] Ended with exit code 0 [2023-12-03 03:25:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:08,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:08,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:08,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:08,017 INFO L229 MonitoredProcess]: Starting monitored process 1223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:08,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1223)] Waiting until timeout for monitored process [2023-12-03 03:25:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:08,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:08,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:08,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:08,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1223)] Ended with exit code 0 [2023-12-03 03:25:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:08,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:08,576 INFO L229 MonitoredProcess]: Starting monitored process 1224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:08,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1224)] Waiting until timeout for monitored process [2023-12-03 03:25:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:08,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:08,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:08,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:09,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1224)] Ended with exit code 0 [2023-12-03 03:25:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:09,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:09,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:09,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:09,132 INFO L229 MonitoredProcess]: Starting monitored process 1225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:09,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1225)] Waiting until timeout for monitored process [2023-12-03 03:25:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:09,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:09,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:09,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:09,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1225)] Ended with exit code 0 [2023-12-03 03:25:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:09,699 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:09,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:09,700 INFO L229 MonitoredProcess]: Starting monitored process 1226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:09,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1226)] Waiting until timeout for monitored process [2023-12-03 03:25:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:09,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:09,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:09,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:10,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1226)] Ended with exit code 0 [2023-12-03 03:25:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:10,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:10,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:10,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:10,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:10,296 INFO L229 MonitoredProcess]: Starting monitored process 1227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:10,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1227)] Waiting until timeout for monitored process [2023-12-03 03:25:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:10,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:10,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:10,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:10,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1227)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:10,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:10,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:10,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:10,887 INFO L229 MonitoredProcess]: Starting monitored process 1228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:10,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1228)] Waiting until timeout for monitored process [2023-12-03 03:25:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:11,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:11,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:11,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:11,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1228)] Ended with exit code 0 [2023-12-03 03:25:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:11,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:11,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:11,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:11,457 INFO L229 MonitoredProcess]: Starting monitored process 1229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:11,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1229)] Waiting until timeout for monitored process [2023-12-03 03:25:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:11,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:11,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:11,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:12,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1229)] Ended with exit code 0 [2023-12-03 03:25:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:12,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:12,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:12,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:12,034 INFO L229 MonitoredProcess]: Starting monitored process 1230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:12,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1230)] Waiting until timeout for monitored process [2023-12-03 03:25:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:12,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:12,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:12,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:12,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1230)] Ended with exit code 0 [2023-12-03 03:25:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:12,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:12,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:12,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:12,623 INFO L229 MonitoredProcess]: Starting monitored process 1231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:12,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1231)] Waiting until timeout for monitored process [2023-12-03 03:25:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:12,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:12,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:12,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:13,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1231)] Ended with exit code 0 [2023-12-03 03:25:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:13,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:13,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:13,201 INFO L229 MonitoredProcess]: Starting monitored process 1232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1232)] Waiting until timeout for monitored process [2023-12-03 03:25:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:13,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:13,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:13,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:13,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1232)] Ended with exit code 0 [2023-12-03 03:25:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:13,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:13,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:13,770 INFO L229 MonitoredProcess]: Starting monitored process 1233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:13,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1233)] Waiting until timeout for monitored process [2023-12-03 03:25:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:13,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:14,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:14,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:14,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1233)] Ended with exit code 0 [2023-12-03 03:25:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:14,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:14,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:14,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:14,365 INFO L229 MonitoredProcess]: Starting monitored process 1234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:14,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1234)] Waiting until timeout for monitored process [2023-12-03 03:25:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:14,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:14,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:14,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:14,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1234)] Ended with exit code 0 [2023-12-03 03:25:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:14,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:14,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:14,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:14,939 INFO L229 MonitoredProcess]: Starting monitored process 1235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:14,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1235)] Waiting until timeout for monitored process [2023-12-03 03:25:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:15,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:15,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:15,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:15,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1235)] Ended with exit code 0 [2023-12-03 03:25:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:15,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:15,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:15,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:15,495 INFO L229 MonitoredProcess]: Starting monitored process 1236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:15,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1236)] Waiting until timeout for monitored process [2023-12-03 03:25:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:15,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:15,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:15,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:16,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1236)] Ended with exit code 0 [2023-12-03 03:25:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:16,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:16,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:16,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:16,074 INFO L229 MonitoredProcess]: Starting monitored process 1237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:16,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1237)] Waiting until timeout for monitored process [2023-12-03 03:25:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:16,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:16,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:16,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:16,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1237)] Ended with exit code 0 [2023-12-03 03:25:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:16,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:16,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:16,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:16,645 INFO L229 MonitoredProcess]: Starting monitored process 1238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:16,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1238)] Waiting until timeout for monitored process [2023-12-03 03:25:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:16,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:16,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:16,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:17,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1238)] Ended with exit code 0 [2023-12-03 03:25:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:17,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:17,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:17,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:17,218 INFO L229 MonitoredProcess]: Starting monitored process 1239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:17,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1239)] Waiting until timeout for monitored process [2023-12-03 03:25:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:17,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:17,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:17,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:17,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1239)] Ended with exit code 0 [2023-12-03 03:25:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:17,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:17,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:17,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:17,778 INFO L229 MonitoredProcess]: Starting monitored process 1240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:17,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1240)] Waiting until timeout for monitored process [2023-12-03 03:25:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:18,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:18,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:18,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:18,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1240)] Ended with exit code 0 [2023-12-03 03:25:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:18,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:18,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:18,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:18,321 INFO L229 MonitoredProcess]: Starting monitored process 1241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:18,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1241)] Waiting until timeout for monitored process [2023-12-03 03:25:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:18,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:18,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:18,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:18,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1241)] Ended with exit code 0 [2023-12-03 03:25:18,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:18,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:18,907 INFO L229 MonitoredProcess]: Starting monitored process 1242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:18,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1242)] Waiting until timeout for monitored process [2023-12-03 03:25:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:19,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:19,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:19,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:19,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1242)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:19,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:19,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:19,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:19,493 INFO L229 MonitoredProcess]: Starting monitored process 1243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:19,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1243)] Waiting until timeout for monitored process [2023-12-03 03:25:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:19,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:19,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:19,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:20,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1243)] Ended with exit code 0 [2023-12-03 03:25:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:20,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:20,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:20,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:20,108 INFO L229 MonitoredProcess]: Starting monitored process 1244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:20,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1244)] Waiting until timeout for monitored process [2023-12-03 03:25:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:20,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:20,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:20,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:20,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1244)] Ended with exit code 0 [2023-12-03 03:25:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:20,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:20,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:20,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:20,715 INFO L229 MonitoredProcess]: Starting monitored process 1245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:20,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1245)] Waiting until timeout for monitored process [2023-12-03 03:25:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:20,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:20,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:20,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:21,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1245)] Ended with exit code 0 [2023-12-03 03:25:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:21,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:21,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:21,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:21,303 INFO L229 MonitoredProcess]: Starting monitored process 1246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:21,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1246)] Waiting until timeout for monitored process [2023-12-03 03:25:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:21,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:21,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:21,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:21,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1246)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:21,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:21,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:21,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:21,884 INFO L229 MonitoredProcess]: Starting monitored process 1247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:21,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1247)] Waiting until timeout for monitored process [2023-12-03 03:25:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:22,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:22,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:22,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:22,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1247)] Ended with exit code 0 [2023-12-03 03:25:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:22,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:22,454 INFO L229 MonitoredProcess]: Starting monitored process 1248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:22,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1248)] Waiting until timeout for monitored process [2023-12-03 03:25:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:22,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:22,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:22,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:23,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1248)] Ended with exit code 0 [2023-12-03 03:25:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:23,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:23,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:23,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:23,015 INFO L229 MonitoredProcess]: Starting monitored process 1249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:23,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1249)] Waiting until timeout for monitored process [2023-12-03 03:25:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:23,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:23,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1249)] Ended with exit code 0 [2023-12-03 03:25:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:23,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:23,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:23,605 INFO L229 MonitoredProcess]: Starting monitored process 1250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1250)] Waiting until timeout for monitored process [2023-12-03 03:25:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:23,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:24,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1250)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:24,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:24,171 INFO L229 MonitoredProcess]: Starting monitored process 1251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:24,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1251)] Waiting until timeout for monitored process [2023-12-03 03:25:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:24,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:24,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1251)] Ended with exit code 0 [2023-12-03 03:25:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:24,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:24,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:24,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:24,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:24,739 INFO L229 MonitoredProcess]: Starting monitored process 1252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:24,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1252)] Waiting until timeout for monitored process [2023-12-03 03:25:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:25,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:25,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:25,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1252)] Ended with exit code 0 [2023-12-03 03:25:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:25,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:25,309 INFO L229 MonitoredProcess]: Starting monitored process 1253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:25,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1253)] Waiting until timeout for monitored process [2023-12-03 03:25:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:25,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:25,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:25,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:25,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1253)] Ended with exit code 0 [2023-12-03 03:25:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:25,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:25,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:25,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:25,891 INFO L229 MonitoredProcess]: Starting monitored process 1254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:25,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1254)] Waiting until timeout for monitored process [2023-12-03 03:25:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:26,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:26,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1254)] Ended with exit code 0 [2023-12-03 03:25:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:26,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:26,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:26,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:26,509 INFO L229 MonitoredProcess]: Starting monitored process 1255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:26,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1255)] Waiting until timeout for monitored process [2023-12-03 03:25:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:26,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:27,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1255)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:27,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:27,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:27,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:27,127 INFO L229 MonitoredProcess]: Starting monitored process 1256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:27,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1256)] Waiting until timeout for monitored process [2023-12-03 03:25:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:27,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:27,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1256)] Ended with exit code 0 [2023-12-03 03:25:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:27,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:27,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:27,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:27,714 INFO L229 MonitoredProcess]: Starting monitored process 1257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:27,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1257)] Waiting until timeout for monitored process [2023-12-03 03:25:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:27,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:28,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1257)] Ended with exit code 0 [2023-12-03 03:25:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:28,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:28,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:28,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:28,287 INFO L229 MonitoredProcess]: Starting monitored process 1258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:28,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1258)] Waiting until timeout for monitored process [2023-12-03 03:25:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:28,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:28,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:28,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:28,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1258)] Ended with exit code 0 [2023-12-03 03:25:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:28,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:28,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:28,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:28,869 INFO L229 MonitoredProcess]: Starting monitored process 1259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:28,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1259)] Waiting until timeout for monitored process [2023-12-03 03:25:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:29,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:29,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:29,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:29,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1259)] Ended with exit code 0 [2023-12-03 03:25:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:29,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:29,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:29,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:29,430 INFO L229 MonitoredProcess]: Starting monitored process 1260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:29,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1260)] Waiting until timeout for monitored process [2023-12-03 03:25:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:29,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:29,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:29,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:30,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1260)] Ended with exit code 0 [2023-12-03 03:25:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:30,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:30,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:30,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:30,018 INFO L229 MonitoredProcess]: Starting monitored process 1261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:30,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1261)] Waiting until timeout for monitored process [2023-12-03 03:25:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:30,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:30,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:30,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:30,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1261)] Ended with exit code 0 [2023-12-03 03:25:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:30,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:30,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:30,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:30,575 INFO L229 MonitoredProcess]: Starting monitored process 1262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:30,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1262)] Waiting until timeout for monitored process [2023-12-03 03:25:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:30,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:30,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:30,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:31,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1262)] Ended with exit code 0 [2023-12-03 03:25:31,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:31,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:31,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:31,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:31,164 INFO L229 MonitoredProcess]: Starting monitored process 1263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:31,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1263)] Waiting until timeout for monitored process [2023-12-03 03:25:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:31,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:31,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:31,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:31,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1263)] Ended with exit code 0 [2023-12-03 03:25:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:31,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:31,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:31,748 INFO L229 MonitoredProcess]: Starting monitored process 1264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:31,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1264)] Waiting until timeout for monitored process [2023-12-03 03:25:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:31,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:32,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:32,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:32,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1264)] Ended with exit code 0 [2023-12-03 03:25:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:32,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:32,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:32,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:32,331 INFO L229 MonitoredProcess]: Starting monitored process 1265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:32,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1265)] Waiting until timeout for monitored process [2023-12-03 03:25:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:32,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:32,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:32,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:32,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1265)] Ended with exit code 0 [2023-12-03 03:25:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:32,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:32,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:32,947 INFO L229 MonitoredProcess]: Starting monitored process 1266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:32,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1266)] Waiting until timeout for monitored process [2023-12-03 03:25:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:33,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:33,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:33,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:33,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1266)] Ended with exit code 0 [2023-12-03 03:25:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:33,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:33,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:33,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:33,536 INFO L229 MonitoredProcess]: Starting monitored process 1267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:33,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1267)] Waiting until timeout for monitored process [2023-12-03 03:25:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:33,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:33,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:33,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:34,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1267)] Ended with exit code 0 [2023-12-03 03:25:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:34,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:34,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:34,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:34,104 INFO L229 MonitoredProcess]: Starting monitored process 1268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:34,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1268)] Waiting until timeout for monitored process [2023-12-03 03:25:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:34,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:34,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:34,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:34,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1268)] Ended with exit code 0 [2023-12-03 03:25:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:34,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:34,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:34,675 INFO L229 MonitoredProcess]: Starting monitored process 1269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:34,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1269)] Waiting until timeout for monitored process [2023-12-03 03:25:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:34,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:34,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:34,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:35,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1269)] Ended with exit code 0 [2023-12-03 03:25:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:35,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:35,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:35,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:35,243 INFO L229 MonitoredProcess]: Starting monitored process 1270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1270)] Waiting until timeout for monitored process [2023-12-03 03:25:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:35,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:35,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:35,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:35,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1270)] Ended with exit code 0 [2023-12-03 03:25:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:35,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:35,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:35,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:35,854 INFO L229 MonitoredProcess]: Starting monitored process 1271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:35,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1271)] Waiting until timeout for monitored process [2023-12-03 03:25:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:36,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:36,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:36,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:36,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1271)] Ended with exit code 0 [2023-12-03 03:25:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:36,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:36,407 INFO L229 MonitoredProcess]: Starting monitored process 1272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:36,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1272)] Waiting until timeout for monitored process [2023-12-03 03:25:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:36,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:36,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:36,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:37,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1272)] Ended with exit code 0 [2023-12-03 03:25:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:37,015 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:37,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:37,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:37,016 INFO L229 MonitoredProcess]: Starting monitored process 1273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:37,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1273)] Waiting until timeout for monitored process [2023-12-03 03:25:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:37,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:37,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:37,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:37,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1273)] Ended with exit code 0 [2023-12-03 03:25:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:37,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:37,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:37,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:37,614 INFO L229 MonitoredProcess]: Starting monitored process 1274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:37,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1274)] Waiting until timeout for monitored process [2023-12-03 03:25:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:37,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:37,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:37,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:38,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1274)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:38,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:38,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:38,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:38,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:38,155 INFO L229 MonitoredProcess]: Starting monitored process 1275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:38,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1275)] Waiting until timeout for monitored process [2023-12-03 03:25:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:38,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:38,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:38,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:38,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1275)] Ended with exit code 0 [2023-12-03 03:25:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:38,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:38,752 INFO L229 MonitoredProcess]: Starting monitored process 1276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1276)] Waiting until timeout for monitored process [2023-12-03 03:25:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:38,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:39,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:39,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:39,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1276)] Ended with exit code 0 [2023-12-03 03:25:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:39,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:39,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:39,378 INFO L229 MonitoredProcess]: Starting monitored process 1277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:39,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1277)] Waiting until timeout for monitored process [2023-12-03 03:25:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:39,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:39,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:39,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:39,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1277)] Ended with exit code 0 [2023-12-03 03:25:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:39,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:39,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:39,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:39,974 INFO L229 MonitoredProcess]: Starting monitored process 1278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:39,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1278)] Waiting until timeout for monitored process [2023-12-03 03:25:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:40,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:40,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:40,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:40,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1278)] Ended with exit code 0 [2023-12-03 03:25:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:40,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:40,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:40,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:40,528 INFO L229 MonitoredProcess]: Starting monitored process 1279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:40,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1279)] Waiting until timeout for monitored process [2023-12-03 03:25:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:40,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:40,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:40,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:41,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1279)] Ended with exit code 0 [2023-12-03 03:25:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:41,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:41,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:41,128 INFO L229 MonitoredProcess]: Starting monitored process 1280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:41,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1280)] Waiting until timeout for monitored process [2023-12-03 03:25:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:41,354 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:41,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:41,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:41,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1280)] Ended with exit code 0 [2023-12-03 03:25:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:41,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:41,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:41,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:41,691 INFO L229 MonitoredProcess]: Starting monitored process 1281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:41,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1281)] Waiting until timeout for monitored process [2023-12-03 03:25:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:41,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:41,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:41,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:42,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1281)] Ended with exit code 0 [2023-12-03 03:25:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:42,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:42,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:42,289 INFO L229 MonitoredProcess]: Starting monitored process 1282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:42,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1282)] Waiting until timeout for monitored process [2023-12-03 03:25:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:42,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:42,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:42,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:42,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1282)] Ended with exit code 0 [2023-12-03 03:25:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:42,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:42,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:42,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:42,844 INFO L229 MonitoredProcess]: Starting monitored process 1283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:42,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1283)] Waiting until timeout for monitored process [2023-12-03 03:25:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:43,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:43,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:43,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:43,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1283)] Ended with exit code 0 [2023-12-03 03:25:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:43,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:43,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:43,418 INFO L229 MonitoredProcess]: Starting monitored process 1284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1284)] Waiting until timeout for monitored process [2023-12-03 03:25:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:43,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:43,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:43,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:43,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1284)] Ended with exit code 0 [2023-12-03 03:25:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:43,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:43,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:43,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:43,974 INFO L229 MonitoredProcess]: Starting monitored process 1285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:43,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1285)] Waiting until timeout for monitored process [2023-12-03 03:25:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:44,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:44,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1285)] Ended with exit code 0 [2023-12-03 03:25:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:44,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:44,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:44,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:44,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:44,546 INFO L229 MonitoredProcess]: Starting monitored process 1286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:44,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1286)] Waiting until timeout for monitored process [2023-12-03 03:25:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:44,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:45,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1286)] Ended with exit code 0 [2023-12-03 03:25:45,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:45,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:45,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:45,113 INFO L229 MonitoredProcess]: Starting monitored process 1287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:45,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1287)] Waiting until timeout for monitored process [2023-12-03 03:25:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:45,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:45,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:45,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:45,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1287)] Ended with exit code 0 [2023-12-03 03:25:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:45,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:45,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:45,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:45,697 INFO L229 MonitoredProcess]: Starting monitored process 1288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:45,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1288)] Waiting until timeout for monitored process [2023-12-03 03:25:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:45,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:45,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:45,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:46,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1288)] Ended with exit code 0 [2023-12-03 03:25:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:46,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:46,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:46,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:46,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:46,257 INFO L229 MonitoredProcess]: Starting monitored process 1289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:46,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1289)] Waiting until timeout for monitored process [2023-12-03 03:25:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:46,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:46,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:46,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:46,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1289)] Ended with exit code 0 [2023-12-03 03:25:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:46,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:46,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:46,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:46,785 INFO L229 MonitoredProcess]: Starting monitored process 1290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:46,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1290)] Waiting until timeout for monitored process [2023-12-03 03:25:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:47,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:47,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:47,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:47,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1290)] Ended with exit code 0 [2023-12-03 03:25:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:47,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:47,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:47,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:47,360 INFO L229 MonitoredProcess]: Starting monitored process 1291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:47,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1291)] Waiting until timeout for monitored process [2023-12-03 03:25:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:47,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:47,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:47,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:47,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1291)] Ended with exit code 0 [2023-12-03 03:25:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:47,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:47,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:47,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:47,935 INFO L229 MonitoredProcess]: Starting monitored process 1292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:47,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1292)] Waiting until timeout for monitored process [2023-12-03 03:25:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:48,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:48,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:48,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:48,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1292)] Ended with exit code 0 [2023-12-03 03:25:48,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:48,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:48,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:48,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:48,497 INFO L229 MonitoredProcess]: Starting monitored process 1293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:48,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1293)] Waiting until timeout for monitored process [2023-12-03 03:25:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:48,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:48,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:48,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:49,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1293)] Ended with exit code 0 [2023-12-03 03:25:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:49,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:49,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:49,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:49,022 INFO L229 MonitoredProcess]: Starting monitored process 1294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:49,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1294)] Waiting until timeout for monitored process [2023-12-03 03:25:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:49,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:49,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:49,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:49,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1294)] Ended with exit code 0 [2023-12-03 03:25:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:49,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:49,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:49,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:49,615 INFO L229 MonitoredProcess]: Starting monitored process 1295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:49,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1295)] Waiting until timeout for monitored process [2023-12-03 03:25:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:49,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:49,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:49,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:50,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1295)] Ended with exit code 0 [2023-12-03 03:25:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:50,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:50,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:50,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:50,187 INFO L229 MonitoredProcess]: Starting monitored process 1296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:50,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1296)] Waiting until timeout for monitored process [2023-12-03 03:25:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:50,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:50,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:50,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:50,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1296)] Ended with exit code 0 [2023-12-03 03:25:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:50,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:50,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:50,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:50,732 INFO L229 MonitoredProcess]: Starting monitored process 1297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:50,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1297)] Waiting until timeout for monitored process [2023-12-03 03:25:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:50,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:50,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:50,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:51,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1297)] Ended with exit code 0 [2023-12-03 03:25:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:51,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:51,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:51,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:51,299 INFO L229 MonitoredProcess]: Starting monitored process 1298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:51,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1298)] Waiting until timeout for monitored process [2023-12-03 03:25:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:51,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:51,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:51,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:51,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1298)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:51,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:51,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:51,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:51,851 INFO L229 MonitoredProcess]: Starting monitored process 1299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:51,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1299)] Waiting until timeout for monitored process [2023-12-03 03:25:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:52,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:52,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1299)] Ended with exit code 0 [2023-12-03 03:25:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:52,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:52,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:52,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:52,460 INFO L229 MonitoredProcess]: Starting monitored process 1300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:52,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1300)] Waiting until timeout for monitored process [2023-12-03 03:25:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:52,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:52,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:53,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1300)] Ended with exit code 0 [2023-12-03 03:25:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:53,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,047 INFO L229 MonitoredProcess]: Starting monitored process 1301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1301)] Waiting until timeout for monitored process [2023-12-03 03:25:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:53,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1301)] Ended with exit code 0 [2023-12-03 03:25:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:53,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,632 INFO L229 MonitoredProcess]: Starting monitored process 1302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1302)] Waiting until timeout for monitored process [2023-12-03 03:25:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:54,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1302)] Ended with exit code 0 [2023-12-03 03:25:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:54,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:54,238 INFO L229 MonitoredProcess]: Starting monitored process 1303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:54,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1303)] Waiting until timeout for monitored process [2023-12-03 03:25:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:54,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:54,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:54,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:54,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1303)] Ended with exit code 0 [2023-12-03 03:25:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:54,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:54,839 INFO L229 MonitoredProcess]: Starting monitored process 1304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:54,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1304)] Waiting until timeout for monitored process [2023-12-03 03:25:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:55,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:55,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1304)] Ended with exit code 0 [2023-12-03 03:25:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:55,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:55,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:55,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:55,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:55,460 INFO L229 MonitoredProcess]: Starting monitored process 1305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:55,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1305)] Waiting until timeout for monitored process [2023-12-03 03:25:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:55,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:55,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:56,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1305)] Ended with exit code 0 [2023-12-03 03:25:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:56,005 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:56,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:56,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:56,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:56,006 INFO L229 MonitoredProcess]: Starting monitored process 1306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:56,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1306)] Waiting until timeout for monitored process [2023-12-03 03:25:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:56,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:56,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:56,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:56,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1306)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:56,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:56,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:56,552 INFO L229 MonitoredProcess]: Starting monitored process 1307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1307)] Waiting until timeout for monitored process [2023-12-03 03:25:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:56,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:56,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:56,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:57,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1307)] Ended with exit code 0 [2023-12-03 03:25:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:57,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:57,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:57,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:57,118 INFO L229 MonitoredProcess]: Starting monitored process 1308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:57,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1308)] Waiting until timeout for monitored process [2023-12-03 03:25:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:57,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:57,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:57,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:57,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1308)] Ended with exit code 0 [2023-12-03 03:25:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:57,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:57,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:57,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:57,689 INFO L229 MonitoredProcess]: Starting monitored process 1309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:57,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1309)] Waiting until timeout for monitored process [2023-12-03 03:25:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:57,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:57,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:57,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:58,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1309)] Ended with exit code 0 [2023-12-03 03:25:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:58,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:58,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:58,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:58,226 INFO L229 MonitoredProcess]: Starting monitored process 1310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:58,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1310)] Waiting until timeout for monitored process [2023-12-03 03:25:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:58,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:58,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:58,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:58,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1310)] Ended with exit code 0 [2023-12-03 03:25:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:58,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:58,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:58,792 INFO L229 MonitoredProcess]: Starting monitored process 1311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:58,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1311)] Waiting until timeout for monitored process [2023-12-03 03:25:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:59,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:59,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:59,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:59,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1311)] Ended with exit code 0 [2023-12-03 03:25:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:59,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:59,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:59,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:59,356 INFO L229 MonitoredProcess]: Starting monitored process 1312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:59,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1312)] Waiting until timeout for monitored process [2023-12-03 03:25:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:59,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:59,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:25:59,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:25:59,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1312)] Ended with exit code 0 [2023-12-03 03:25:59,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:59,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:25:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:25:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:25:59,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:59,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:59,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:59,932 INFO L229 MonitoredProcess]: Starting monitored process 1313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:59,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1313)] Waiting until timeout for monitored process [2023-12-03 03:26:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:00,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:00,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:00,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:00,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1313)] Ended with exit code 0 [2023-12-03 03:26:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:00,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:00,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:00,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:00,515 INFO L229 MonitoredProcess]: Starting monitored process 1314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:00,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1314)] Waiting until timeout for monitored process [2023-12-03 03:26:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:00,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:00,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:00,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:01,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1314)] Ended with exit code 0 [2023-12-03 03:26:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:01,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:01,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:01,077 INFO L229 MonitoredProcess]: Starting monitored process 1315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:01,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1315)] Waiting until timeout for monitored process [2023-12-03 03:26:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:01,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:01,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:01,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:01,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1315)] Ended with exit code 0 [2023-12-03 03:26:01,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:01,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:01,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:01,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:01,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:01,669 INFO L229 MonitoredProcess]: Starting monitored process 1316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:01,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1316)] Waiting until timeout for monitored process [2023-12-03 03:26:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:01,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:01,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:01,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:02,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1316)] Ended with exit code 0 [2023-12-03 03:26:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:02,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:02,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:02,241 INFO L229 MonitoredProcess]: Starting monitored process 1317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:02,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1317)] Waiting until timeout for monitored process [2023-12-03 03:26:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:02,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:02,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:02,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:02,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1317)] Ended with exit code 0 [2023-12-03 03:26:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:02,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:02,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:02,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:02,814 INFO L229 MonitoredProcess]: Starting monitored process 1318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:02,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1318)] Waiting until timeout for monitored process [2023-12-03 03:26:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:03,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:03,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1318)] Ended with exit code 0 [2023-12-03 03:26:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:03,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:03,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:03,381 INFO L229 MonitoredProcess]: Starting monitored process 1319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:03,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1319)] Waiting until timeout for monitored process [2023-12-03 03:26:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:03,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:03,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1319)] Ended with exit code 0 [2023-12-03 03:26:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:03,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:03,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:03,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:03,952 INFO L229 MonitoredProcess]: Starting monitored process 1320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:03,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1320)] Waiting until timeout for monitored process [2023-12-03 03:26:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:04,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:04,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:04,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:04,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1320)] Ended with exit code 0 [2023-12-03 03:26:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:04,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:04,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:04,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:04,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:04,551 INFO L229 MonitoredProcess]: Starting monitored process 1321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:04,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1321)] Waiting until timeout for monitored process [2023-12-03 03:26:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:04,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:04,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:04,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:05,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1321)] Ended with exit code 0 [2023-12-03 03:26:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:05,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:05,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:05,105 INFO L229 MonitoredProcess]: Starting monitored process 1322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:05,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1322)] Waiting until timeout for monitored process [2023-12-03 03:26:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:05,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:05,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:05,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:05,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1322)] Ended with exit code 0 [2023-12-03 03:26:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:05,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:05,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:05,666 INFO L229 MonitoredProcess]: Starting monitored process 1323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:05,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1323)] Waiting until timeout for monitored process [2023-12-03 03:26:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:05,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:05,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:05,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:06,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1323)] Ended with exit code 0 [2023-12-03 03:26:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:06,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:06,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:06,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:06,277 INFO L229 MonitoredProcess]: Starting monitored process 1324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:06,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1324)] Waiting until timeout for monitored process [2023-12-03 03:26:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:06,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:06,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:06,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:06,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1324)] Ended with exit code 0 [2023-12-03 03:26:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:06,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:06,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:06,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:06,887 INFO L229 MonitoredProcess]: Starting monitored process 1325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:06,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1325)] Waiting until timeout for monitored process [2023-12-03 03:26:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:07,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:07,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:07,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:07,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1325)] Ended with exit code 0 [2023-12-03 03:26:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:07,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:07,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:07,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:07,429 INFO L229 MonitoredProcess]: Starting monitored process 1326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:07,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1326)] Waiting until timeout for monitored process [2023-12-03 03:26:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:07,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:07,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:07,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:07,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1326)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:07,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:07,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:07,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:07,988 INFO L229 MonitoredProcess]: Starting monitored process 1327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:07,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1327)] Waiting until timeout for monitored process [2023-12-03 03:26:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:08,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:08,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:08,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:08,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1327)] Ended with exit code 0 [2023-12-03 03:26:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:08,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:08,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:08,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:08,543 INFO L229 MonitoredProcess]: Starting monitored process 1328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:08,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1328)] Waiting until timeout for monitored process [2023-12-03 03:26:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:08,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:08,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:08,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:09,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1328)] Ended with exit code 0 [2023-12-03 03:26:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:09,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:09,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:09,091 INFO L229 MonitoredProcess]: Starting monitored process 1329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:09,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1329)] Waiting until timeout for monitored process [2023-12-03 03:26:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:09,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:09,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:09,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:09,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1329)] Ended with exit code 0 [2023-12-03 03:26:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:09,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:09,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:09,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:09,707 INFO L229 MonitoredProcess]: Starting monitored process 1330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:09,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1330)] Waiting until timeout for monitored process [2023-12-03 03:26:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:09,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:09,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:09,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:10,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1330)] Ended with exit code 0 [2023-12-03 03:26:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:10,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:10,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:10,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:10,258 INFO L229 MonitoredProcess]: Starting monitored process 1331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:10,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1331)] Waiting until timeout for monitored process [2023-12-03 03:26:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:10,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:10,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:10,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:10,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1331)] Ended with exit code 0 [2023-12-03 03:26:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:10,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:10,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:10,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:10,830 INFO L229 MonitoredProcess]: Starting monitored process 1332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:10,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1332)] Waiting until timeout for monitored process [2023-12-03 03:26:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:11,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:11,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1332)] Ended with exit code 0 [2023-12-03 03:26:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:11,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:11,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:11,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:11,397 INFO L229 MonitoredProcess]: Starting monitored process 1333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:11,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1333)] Waiting until timeout for monitored process [2023-12-03 03:26:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:11,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:11,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1333)] Ended with exit code 0 [2023-12-03 03:26:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:11,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:11,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:11,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:11,967 INFO L229 MonitoredProcess]: Starting monitored process 1334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:11,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1334)] Waiting until timeout for monitored process [2023-12-03 03:26:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:12,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:12,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1334)] Ended with exit code 0 [2023-12-03 03:26:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:12,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:12,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:12,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:12,526 INFO L229 MonitoredProcess]: Starting monitored process 1335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:12,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1335)] Waiting until timeout for monitored process [2023-12-03 03:26:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:12,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:13,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1335)] Ended with exit code 0 [2023-12-03 03:26:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:13,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:13,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:13,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:13,109 INFO L229 MonitoredProcess]: Starting monitored process 1336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:13,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1336)] Waiting until timeout for monitored process [2023-12-03 03:26:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:13,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:13,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1336)] Ended with exit code 0 [2023-12-03 03:26:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:13,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:13,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:13,693 INFO L229 MonitoredProcess]: Starting monitored process 1337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:13,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1337)] Waiting until timeout for monitored process [2023-12-03 03:26:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:13,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:14,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1337)] Ended with exit code 0 [2023-12-03 03:26:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:14,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:14,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:14,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:14,291 INFO L229 MonitoredProcess]: Starting monitored process 1338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:14,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1338)] Waiting until timeout for monitored process [2023-12-03 03:26:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:14,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:14,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:14,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:14,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1338)] Ended with exit code 0 [2023-12-03 03:26:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:14,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:14,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:14,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:14,843 INFO L229 MonitoredProcess]: Starting monitored process 1339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:14,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1339)] Waiting until timeout for monitored process [2023-12-03 03:26:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:15,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:15,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:15,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:15,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1339)] Ended with exit code 0 [2023-12-03 03:26:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:15,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:15,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:15,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:15,419 INFO L229 MonitoredProcess]: Starting monitored process 1340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:15,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1340)] Waiting until timeout for monitored process [2023-12-03 03:26:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:15,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:15,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:15,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:16,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1340)] Ended with exit code 0 [2023-12-03 03:26:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:16,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:16,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:16,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:16,016 INFO L229 MonitoredProcess]: Starting monitored process 1341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:16,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1341)] Waiting until timeout for monitored process [2023-12-03 03:26:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:16,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:16,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1341)] Ended with exit code 0 [2023-12-03 03:26:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:16,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:16,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:16,583 INFO L229 MonitoredProcess]: Starting monitored process 1342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:16,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1342)] Waiting until timeout for monitored process [2023-12-03 03:26:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:16,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:17,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1342)] Ended with exit code 0 [2023-12-03 03:26:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:17,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:17,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:17,155 INFO L229 MonitoredProcess]: Starting monitored process 1343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:17,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1343)] Waiting until timeout for monitored process [2023-12-03 03:26:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:17,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:17,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:17,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:17,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1343)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:17,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:17,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:17,739 INFO L229 MonitoredProcess]: Starting monitored process 1344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:17,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1344)] Waiting until timeout for monitored process [2023-12-03 03:26:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:17,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:18,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:18,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:18,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1344)] Ended with exit code 0 [2023-12-03 03:26:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:18,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:18,326 INFO L229 MonitoredProcess]: Starting monitored process 1345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:18,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1345)] Waiting until timeout for monitored process [2023-12-03 03:26:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:18,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:18,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:18,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:18,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1345)] Ended with exit code 0 [2023-12-03 03:26:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:18,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:18,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:18,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:18,921 INFO L229 MonitoredProcess]: Starting monitored process 1346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:18,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1346)] Waiting until timeout for monitored process [2023-12-03 03:26:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:19,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:19,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:19,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:19,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1346)] Ended with exit code 0 [2023-12-03 03:26:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:19,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:19,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:19,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:19,494 INFO L229 MonitoredProcess]: Starting monitored process 1347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:19,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1347)] Waiting until timeout for monitored process [2023-12-03 03:26:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:19,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:19,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:19,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:20,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1347)] Ended with exit code 0 [2023-12-03 03:26:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:20,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:20,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:20,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:20,090 INFO L229 MonitoredProcess]: Starting monitored process 1348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:20,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1348)] Waiting until timeout for monitored process [2023-12-03 03:26:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:20,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:20,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:20,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:20,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1348)] Ended with exit code 0 [2023-12-03 03:26:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:20,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:20,651 INFO L229 MonitoredProcess]: Starting monitored process 1349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:20,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1349)] Waiting until timeout for monitored process [2023-12-03 03:26:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:20,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:20,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:20,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:21,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1349)] Ended with exit code 0 [2023-12-03 03:26:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:21,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:21,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:21,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:21,233 INFO L229 MonitoredProcess]: Starting monitored process 1350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:21,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1350)] Waiting until timeout for monitored process [2023-12-03 03:26:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:21,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:21,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:21,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:21,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1350)] Ended with exit code 0 [2023-12-03 03:26:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:21,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:21,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:21,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:21,807 INFO L229 MonitoredProcess]: Starting monitored process 1351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:21,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1351)] Waiting until timeout for monitored process [2023-12-03 03:26:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:22,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:22,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:22,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:22,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1351)] Ended with exit code 0 [2023-12-03 03:26:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:22,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:22,384 INFO L229 MonitoredProcess]: Starting monitored process 1352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:22,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1352)] Waiting until timeout for monitored process [2023-12-03 03:26:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:22,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:22,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:22,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:22,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1352)] Ended with exit code 0 [2023-12-03 03:26:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:22,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:22,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:22,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:22,981 INFO L229 MonitoredProcess]: Starting monitored process 1353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:22,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1353)] Waiting until timeout for monitored process [2023-12-03 03:26:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:23,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:23,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:23,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:23,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1353)] Ended with exit code 0 [2023-12-03 03:26:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:23,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:23,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:23,571 INFO L229 MonitoredProcess]: Starting monitored process 1354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1354)] Waiting until timeout for monitored process [2023-12-03 03:26:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:23,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:23,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:23,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:24,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1354)] Ended with exit code 0 [2023-12-03 03:26:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:24,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:24,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:24,124 INFO L229 MonitoredProcess]: Starting monitored process 1355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:24,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1355)] Waiting until timeout for monitored process [2023-12-03 03:26:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:24,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:24,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1355)] Ended with exit code 0 [2023-12-03 03:26:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:24,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:24,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:24,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:24,729 INFO L229 MonitoredProcess]: Starting monitored process 1356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:24,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1356)] Waiting until timeout for monitored process [2023-12-03 03:26:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:24,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:25,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1356)] Ended with exit code 0 [2023-12-03 03:26:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:25,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:25,329 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:25,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:25,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:25,330 INFO L229 MonitoredProcess]: Starting monitored process 1357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:25,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1357)] Waiting until timeout for monitored process [2023-12-03 03:26:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:25,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:25,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:25,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:25,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1357)] Ended with exit code 0 [2023-12-03 03:26:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:25,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:25,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:25,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:25,931 INFO L229 MonitoredProcess]: Starting monitored process 1358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1358)] Waiting until timeout for monitored process [2023-12-03 03:26:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:26,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:26,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:26,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:26,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1358)] Ended with exit code 0 [2023-12-03 03:26:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:26,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:26,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:26,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:26,536 INFO L229 MonitoredProcess]: Starting monitored process 1359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:26,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1359)] Waiting until timeout for monitored process [2023-12-03 03:26:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:26,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:26,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:26,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:27,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1359)] Ended with exit code 0 [2023-12-03 03:26:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:27,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:27,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:27,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:27,171 INFO L229 MonitoredProcess]: Starting monitored process 1360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:27,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1360)] Waiting until timeout for monitored process [2023-12-03 03:26:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:27,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:27,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:27,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:27,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1360)] Ended with exit code 0 [2023-12-03 03:26:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:27,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:27,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:27,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:27,762 INFO L229 MonitoredProcess]: Starting monitored process 1361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:27,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1361)] Waiting until timeout for monitored process [2023-12-03 03:26:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:27,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:28,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:28,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:28,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:28,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1361)] Ended with exit code 0 [2023-12-03 03:26:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:28,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:28,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:28,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:28,325 INFO L229 MonitoredProcess]: Starting monitored process 1362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:28,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1362)] Waiting until timeout for monitored process [2023-12-03 03:26:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:28,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:28,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:28,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:28,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1362)] Ended with exit code 0 [2023-12-03 03:26:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:28,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:28,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:28,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:28,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:28,897 INFO L229 MonitoredProcess]: Starting monitored process 1363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:28,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1363)] Waiting until timeout for monitored process [2023-12-03 03:26:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:29,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:29,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:26:29,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:26:29,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1363)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:29,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:29,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:29,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:29,453 INFO L229 MonitoredProcess]: Starting monitored process 1364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:29,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1364)] Waiting until timeout for monitored process [2023-12-03 03:26:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:29,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:29,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:29,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:30,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1364)] Ended with exit code 0 [2023-12-03 03:26:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:30,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:30,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:30,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:30,026 INFO L229 MonitoredProcess]: Starting monitored process 1365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:30,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1365)] Waiting until timeout for monitored process [2023-12-03 03:26:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:30,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:30,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:30,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:30,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1365)] Ended with exit code 0 [2023-12-03 03:26:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:30,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:30,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:30,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:30,576 INFO L229 MonitoredProcess]: Starting monitored process 1366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:30,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1366)] Waiting until timeout for monitored process [2023-12-03 03:26:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:30,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:30,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:30,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:31,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1366)] Ended with exit code 0 [2023-12-03 03:26:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:31,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:31,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:31,175 INFO L229 MonitoredProcess]: Starting monitored process 1367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1367)] Waiting until timeout for monitored process [2023-12-03 03:26:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:31,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:31,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:31,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:31,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1367)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:31,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:31,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:31,807 INFO L229 MonitoredProcess]: Starting monitored process 1368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:31,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1368)] Waiting until timeout for monitored process [2023-12-03 03:26:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:32,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:32,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:32,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:32,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1368)] Ended with exit code 0 [2023-12-03 03:26:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:32,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:32,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:32,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:32,409 INFO L229 MonitoredProcess]: Starting monitored process 1369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:32,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1369)] Waiting until timeout for monitored process [2023-12-03 03:26:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:32,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:32,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:32,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:32,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1369)] Ended with exit code 0 [2023-12-03 03:26:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:32,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:32,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:32,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:32,993 INFO L229 MonitoredProcess]: Starting monitored process 1370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:32,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1370)] Waiting until timeout for monitored process [2023-12-03 03:26:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:33,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:33,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:33,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:33,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1370)] Ended with exit code 0 [2023-12-03 03:26:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:33,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:33,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:33,601 INFO L229 MonitoredProcess]: Starting monitored process 1371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:33,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1371)] Waiting until timeout for monitored process [2023-12-03 03:26:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:33,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:33,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:26:33,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:26:34,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1371)] Ended with exit code 0 [2023-12-03 03:26:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:34,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:34,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:34,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:34,146 INFO L229 MonitoredProcess]: Starting monitored process 1372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:34,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1372)] Waiting until timeout for monitored process [2023-12-03 03:26:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:34,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:34,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:34,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:34,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1372)] Ended with exit code 0 [2023-12-03 03:26:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:34,692 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:34,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:34,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:34,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:34,693 INFO L229 MonitoredProcess]: Starting monitored process 1373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:34,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1373)] Waiting until timeout for monitored process [2023-12-03 03:26:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:34,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:34,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:34,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:35,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1373)] Ended with exit code 0 [2023-12-03 03:26:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:35,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:35,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:35,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:35,266 INFO L229 MonitoredProcess]: Starting monitored process 1374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:35,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1374)] Waiting until timeout for monitored process [2023-12-03 03:26:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:35,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:35,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:35,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:35,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1374)] Ended with exit code 0 [2023-12-03 03:26:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:35,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:35,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:35,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:35,826 INFO L229 MonitoredProcess]: Starting monitored process 1375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:35,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1375)] Waiting until timeout for monitored process [2023-12-03 03:26:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:36,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:36,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:36,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:36,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1375)] Ended with exit code 0 [2023-12-03 03:26:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:36,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:36,407 INFO L229 MonitoredProcess]: Starting monitored process 1376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:36,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1376)] Waiting until timeout for monitored process [2023-12-03 03:26:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:36,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:36,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:36,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:36,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1376)] Ended with exit code 0 [2023-12-03 03:26:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:36,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:36,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:36,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:36,969 INFO L229 MonitoredProcess]: Starting monitored process 1377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:36,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1377)] Waiting until timeout for monitored process [2023-12-03 03:26:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:37,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:37,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:37,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:37,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1377)] Ended with exit code 0 [2023-12-03 03:26:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:37,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:37,529 INFO L229 MonitoredProcess]: Starting monitored process 1378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:37,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1378)] Waiting until timeout for monitored process [2023-12-03 03:26:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:37,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:37,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:37,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:38,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1378)] Ended with exit code 0 [2023-12-03 03:26:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:38,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:38,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:38,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:38,074 INFO L229 MonitoredProcess]: Starting monitored process 1379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:38,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1379)] Waiting until timeout for monitored process [2023-12-03 03:26:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:38,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:38,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1379)] Ended with exit code 0 [2023-12-03 03:26:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:38,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:38,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:38,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:38,630 INFO L229 MonitoredProcess]: Starting monitored process 1380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:38,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1380)] Waiting until timeout for monitored process [2023-12-03 03:26:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:38,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:39,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1380)] Ended with exit code 0 [2023-12-03 03:26:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:39,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:39,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:39,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:39,191 INFO L229 MonitoredProcess]: Starting monitored process 1381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:39,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1381)] Waiting until timeout for monitored process [2023-12-03 03:26:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:39,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:39,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:39,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:39,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1381)] Ended with exit code 0 [2023-12-03 03:26:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:39,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:39,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:39,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:39,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:39,744 INFO L229 MonitoredProcess]: Starting monitored process 1382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:39,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1382)] Waiting until timeout for monitored process [2023-12-03 03:26:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:39,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:40,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:40,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:40,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1382)] Ended with exit code 0 [2023-12-03 03:26:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:40,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:40,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:40,297 INFO L229 MonitoredProcess]: Starting monitored process 1383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:40,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1383)] Waiting until timeout for monitored process [2023-12-03 03:26:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:40,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:40,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:40,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:40,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1383)] Ended with exit code 0 [2023-12-03 03:26:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:40,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:40,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:40,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:40,867 INFO L229 MonitoredProcess]: Starting monitored process 1384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:40,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1384)] Waiting until timeout for monitored process [2023-12-03 03:26:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:41,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:41,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:41,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:41,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1384)] Ended with exit code 0 [2023-12-03 03:26:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:41,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:41,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:41,424 INFO L229 MonitoredProcess]: Starting monitored process 1385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:41,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1385)] Waiting until timeout for monitored process [2023-12-03 03:26:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:41,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:41,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:41,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:41,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:41,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1385)] Ended with exit code 0 [2023-12-03 03:26:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:41,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:41,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:41,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:41,978 INFO L229 MonitoredProcess]: Starting monitored process 1386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:41,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1386)] Waiting until timeout for monitored process [2023-12-03 03:26:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:42,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:42,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:42,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:42,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1386)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:42,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:42,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:42,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:42,534 INFO L229 MonitoredProcess]: Starting monitored process 1387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:42,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1387)] Waiting until timeout for monitored process [2023-12-03 03:26:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:42,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:42,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:42,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:43,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1387)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:43,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:43,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:43,095 INFO L229 MonitoredProcess]: Starting monitored process 1388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:43,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1388)] Waiting until timeout for monitored process [2023-12-03 03:26:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:43,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:43,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:43,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:43,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1388)] Ended with exit code 0 [2023-12-03 03:26:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:43,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:43,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:43,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:43,673 INFO L229 MonitoredProcess]: Starting monitored process 1389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:43,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1389)] Waiting until timeout for monitored process [2023-12-03 03:26:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:43,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:43,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:43,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:44,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1389)] Ended with exit code 0 [2023-12-03 03:26:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:44,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:44,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:44,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:44,279 INFO L229 MonitoredProcess]: Starting monitored process 1390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:44,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1390)] Waiting until timeout for monitored process [2023-12-03 03:26:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:44,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:44,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:44,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:44,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1390)] Ended with exit code 0 [2023-12-03 03:26:44,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:44,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:44,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:44,862 INFO L229 MonitoredProcess]: Starting monitored process 1391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:44,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1391)] Waiting until timeout for monitored process [2023-12-03 03:26:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:45,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:45,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:45,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1391)] Ended with exit code 0 [2023-12-03 03:26:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:45,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:45,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:45,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:45,432 INFO L229 MonitoredProcess]: Starting monitored process 1392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:45,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1392)] Waiting until timeout for monitored process [2023-12-03 03:26:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:45,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:45,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:45,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:46,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1392)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:46,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:46,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:46,057 INFO L229 MonitoredProcess]: Starting monitored process 1393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:46,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1393)] Waiting until timeout for monitored process [2023-12-03 03:26:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:46,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:46,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:46,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:46,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1393)] Ended with exit code 0 [2023-12-03 03:26:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:46,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:46,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:46,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:46,622 INFO L229 MonitoredProcess]: Starting monitored process 1394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:46,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1394)] Waiting until timeout for monitored process [2023-12-03 03:26:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:46,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:46,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:46,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:47,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1394)] Ended with exit code 0 [2023-12-03 03:26:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:47,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:47,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:47,194 INFO L229 MonitoredProcess]: Starting monitored process 1395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:47,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1395)] Waiting until timeout for monitored process [2023-12-03 03:26:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:47,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:47,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:47,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:47,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1395)] Ended with exit code 0 [2023-12-03 03:26:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:47,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:47,787 INFO L229 MonitoredProcess]: Starting monitored process 1396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:47,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1396)] Waiting until timeout for monitored process [2023-12-03 03:26:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:48,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:48,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1396)] Ended with exit code 0 [2023-12-03 03:26:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:48,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:48,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:48,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:48,435 INFO L229 MonitoredProcess]: Starting monitored process 1397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:48,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1397)] Waiting until timeout for monitored process [2023-12-03 03:26:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:48,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:49,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1397)] Ended with exit code 0 [2023-12-03 03:26:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:49,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:49,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:49,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:49,049 INFO L229 MonitoredProcess]: Starting monitored process 1398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:49,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1398)] Waiting until timeout for monitored process [2023-12-03 03:26:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:49,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:49,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1398)] Ended with exit code 0 [2023-12-03 03:26:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:49,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:49,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:49,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:49,603 INFO L229 MonitoredProcess]: Starting monitored process 1399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:49,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1399)] Waiting until timeout for monitored process [2023-12-03 03:26:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:49,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:50,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1399)] Ended with exit code 0 [2023-12-03 03:26:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:50,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:50,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:50,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:50,160 INFO L229 MonitoredProcess]: Starting monitored process 1400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:50,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1400)] Waiting until timeout for monitored process [2023-12-03 03:26:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:50,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:50,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:50,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:50,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1400)] Ended with exit code 0 [2023-12-03 03:26:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:50,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:50,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:50,761 INFO L229 MonitoredProcess]: Starting monitored process 1401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:50,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1401)] Waiting until timeout for monitored process [2023-12-03 03:26:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:50,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:51,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:26:51,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:26:51,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1401)] Ended with exit code 0 [2023-12-03 03:26:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:51,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:51,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:51,313 INFO L229 MonitoredProcess]: Starting monitored process 1402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:51,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1402)] Waiting until timeout for monitored process [2023-12-03 03:26:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:51,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:51,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:51,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:51,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1402)] Ended with exit code 0 [2023-12-03 03:26:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:51,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:51,887 INFO L229 MonitoredProcess]: Starting monitored process 1403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:51,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1403)] Waiting until timeout for monitored process [2023-12-03 03:26:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:52,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:52,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:52,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:52,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1403)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:52,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:52,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:52,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:52,507 INFO L229 MonitoredProcess]: Starting monitored process 1404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:52,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1404)] Waiting until timeout for monitored process [2023-12-03 03:26:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:52,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:52,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:52,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:53,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1404)] Ended with exit code 0 [2023-12-03 03:26:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:53,082 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:53,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:53,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:53,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:53,083 INFO L229 MonitoredProcess]: Starting monitored process 1405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:53,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1405)] Waiting until timeout for monitored process [2023-12-03 03:26:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:53,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:53,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:53,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:53,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1405)] Ended with exit code 0 [2023-12-03 03:26:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:53,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:53,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:53,682 INFO L229 MonitoredProcess]: Starting monitored process 1406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:53,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1406)] Waiting until timeout for monitored process [2023-12-03 03:26:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:53,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:53,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:53,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:54,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1406)] Ended with exit code 0 [2023-12-03 03:26:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:54,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:54,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:54,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:54,296 INFO L229 MonitoredProcess]: Starting monitored process 1407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:54,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1407)] Waiting until timeout for monitored process [2023-12-03 03:26:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:54,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:54,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:54,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:54,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1407)] Ended with exit code 0 [2023-12-03 03:26:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:54,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:54,900 INFO L229 MonitoredProcess]: Starting monitored process 1408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:54,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1408)] Waiting until timeout for monitored process [2023-12-03 03:26:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:55,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:55,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:55,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:55,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1408)] Ended with exit code 0 [2023-12-03 03:26:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:55,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:55,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:55,489 INFO L229 MonitoredProcess]: Starting monitored process 1409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:55,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1409)] Waiting until timeout for monitored process [2023-12-03 03:26:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:55,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:55,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:55,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:56,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1409)] Ended with exit code 0 [2023-12-03 03:26:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:56,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:56,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:56,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:56,078 INFO L229 MonitoredProcess]: Starting monitored process 1410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:56,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1410)] Waiting until timeout for monitored process [2023-12-03 03:26:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:56,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:56,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:56,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:56,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1410)] Ended with exit code 0 [2023-12-03 03:26:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:56,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:56,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:56,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:56,645 INFO L229 MonitoredProcess]: Starting monitored process 1411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:56,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1411)] Waiting until timeout for monitored process [2023-12-03 03:26:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:56,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:56,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:56,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:57,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1411)] Ended with exit code 0 [2023-12-03 03:26:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:57,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:57,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:57,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:57,221 INFO L229 MonitoredProcess]: Starting monitored process 1412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:57,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1412)] Waiting until timeout for monitored process [2023-12-03 03:26:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:57,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:57,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:57,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:57,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1412)] Ended with exit code 0 [2023-12-03 03:26:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:57,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:57,842 INFO L229 MonitoredProcess]: Starting monitored process 1413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:57,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1413)] Waiting until timeout for monitored process [2023-12-03 03:26:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:58,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:58,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:58,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:58,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1413)] Ended with exit code 0 [2023-12-03 03:26:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:58,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:58,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:58,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:58,428 INFO L229 MonitoredProcess]: Starting monitored process 1414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:58,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1414)] Waiting until timeout for monitored process [2023-12-03 03:26:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:58,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:58,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:58,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:59,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1414)] Ended with exit code 0 [2023-12-03 03:26:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:59,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:59,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:59,014 INFO L229 MonitoredProcess]: Starting monitored process 1415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:59,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1415)] Waiting until timeout for monitored process [2023-12-03 03:26:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:59,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:59,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:59,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:26:59,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1415)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:26:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:26:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:26:59,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:59,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:59,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:59,592 INFO L229 MonitoredProcess]: Starting monitored process 1416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:59,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1416)] Waiting until timeout for monitored process [2023-12-03 03:26:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:59,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:59,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:26:59,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:00,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1416)] Ended with exit code 0 [2023-12-03 03:27:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:00,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:00,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:00,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:00,183 INFO L229 MonitoredProcess]: Starting monitored process 1417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:00,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1417)] Waiting until timeout for monitored process [2023-12-03 03:27:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:00,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:00,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:00,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:00,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1417)] Ended with exit code 0 [2023-12-03 03:27:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:00,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:00,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:00,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:00,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:00,736 INFO L229 MonitoredProcess]: Starting monitored process 1418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:00,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1418)] Waiting until timeout for monitored process [2023-12-03 03:27:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:00,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:00,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:00,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:01,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1418)] Ended with exit code 0 [2023-12-03 03:27:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:01,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:01,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:01,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:01,337 INFO L229 MonitoredProcess]: Starting monitored process 1419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:01,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1419)] Waiting until timeout for monitored process [2023-12-03 03:27:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:01,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:01,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:01,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:01,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1419)] Ended with exit code 0 [2023-12-03 03:27:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:01,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:01,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:01,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:01,950 INFO L229 MonitoredProcess]: Starting monitored process 1420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:01,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1420)] Waiting until timeout for monitored process [2023-12-03 03:27:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:02,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:02,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:02,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:02,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1420)] Ended with exit code 0 [2023-12-03 03:27:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:02,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:02,539 INFO L229 MonitoredProcess]: Starting monitored process 1421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1421)] Waiting until timeout for monitored process [2023-12-03 03:27:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:02,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:02,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:02,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:03,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1421)] Ended with exit code 0 [2023-12-03 03:27:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:03,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:03,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:03,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:03,107 INFO L229 MonitoredProcess]: Starting monitored process 1422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:03,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1422)] Waiting until timeout for monitored process [2023-12-03 03:27:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:03,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:03,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:03,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:03,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1422)] Ended with exit code 0 [2023-12-03 03:27:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:03,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:03,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:03,681 INFO L229 MonitoredProcess]: Starting monitored process 1423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:03,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1423)] Waiting until timeout for monitored process [2023-12-03 03:27:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:03,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:03,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:03,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:04,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1423)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:04,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:04,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:04,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:04,246 INFO L229 MonitoredProcess]: Starting monitored process 1424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:04,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1424)] Waiting until timeout for monitored process [2023-12-03 03:27:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:04,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:04,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:04,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:04,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1424)] Ended with exit code 0 [2023-12-03 03:27:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:04,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:04,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:04,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:04,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:04,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:04,867 INFO L229 MonitoredProcess]: Starting monitored process 1425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:04,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1425)] Waiting until timeout for monitored process [2023-12-03 03:27:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:05,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:05,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:05,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:05,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1425)] Ended with exit code 0 [2023-12-03 03:27:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:05,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:05,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:05,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:05,407 INFO L229 MonitoredProcess]: Starting monitored process 1426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:05,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1426)] Waiting until timeout for monitored process [2023-12-03 03:27:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:05,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:05,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:05,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:05,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1426)] Ended with exit code 0 [2023-12-03 03:27:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:05,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:05,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:05,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:05,986 INFO L229 MonitoredProcess]: Starting monitored process 1427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:05,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1427)] Waiting until timeout for monitored process [2023-12-03 03:27:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:06,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:06,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:06,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:06,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1427)] Ended with exit code 0 [2023-12-03 03:27:06,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:06,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:06,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:06,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:06,574 INFO L229 MonitoredProcess]: Starting monitored process 1428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:06,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1428)] Waiting until timeout for monitored process [2023-12-03 03:27:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:06,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:06,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:06,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:07,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1428)] Ended with exit code 0 [2023-12-03 03:27:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:07,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:07,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:07,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:07,148 INFO L229 MonitoredProcess]: Starting monitored process 1429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:07,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1429)] Waiting until timeout for monitored process [2023-12-03 03:27:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:07,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:07,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:07,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:07,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1429)] Ended with exit code 0 [2023-12-03 03:27:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:07,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:07,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:07,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:07,735 INFO L229 MonitoredProcess]: Starting monitored process 1430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:07,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1430)] Waiting until timeout for monitored process [2023-12-03 03:27:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:07,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:07,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:07,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:08,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1430)] Ended with exit code 0 [2023-12-03 03:27:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:08,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:08,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:08,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:08,310 INFO L229 MonitoredProcess]: Starting monitored process 1431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:08,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1431)] Waiting until timeout for monitored process [2023-12-03 03:27:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:08,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:08,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:08,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:08,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1431)] Ended with exit code 0 [2023-12-03 03:27:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:08,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:08,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:08,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:08,865 INFO L229 MonitoredProcess]: Starting monitored process 1432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:08,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1432)] Waiting until timeout for monitored process [2023-12-03 03:27:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:09,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:09,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:09,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:09,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1432)] Ended with exit code 0 [2023-12-03 03:27:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:09,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:09,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:09,437 INFO L229 MonitoredProcess]: Starting monitored process 1433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:09,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1433)] Waiting until timeout for monitored process [2023-12-03 03:27:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:09,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:09,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:09,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:10,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1433)] Ended with exit code 0 [2023-12-03 03:27:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:10,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:10,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:10,017 INFO L229 MonitoredProcess]: Starting monitored process 1434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:10,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1434)] Waiting until timeout for monitored process [2023-12-03 03:27:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:10,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:10,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:10,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:10,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1434)] Ended with exit code 0 [2023-12-03 03:27:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:10,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:10,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:10,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:10,593 INFO L229 MonitoredProcess]: Starting monitored process 1435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1435)] Waiting until timeout for monitored process [2023-12-03 03:27:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:10,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:10,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:10,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:11,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1435)] Ended with exit code 0 [2023-12-03 03:27:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:11,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:11,172 INFO L229 MonitoredProcess]: Starting monitored process 1436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:11,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1436)] Waiting until timeout for monitored process [2023-12-03 03:27:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:11,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:11,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:11,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:11,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1436)] Ended with exit code 0 [2023-12-03 03:27:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:11,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:11,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:11,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:11,749 INFO L229 MonitoredProcess]: Starting monitored process 1437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:11,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1437)] Waiting until timeout for monitored process [2023-12-03 03:27:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:11,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:12,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:12,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:12,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1437)] Ended with exit code 0 [2023-12-03 03:27:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:12,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:12,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:12,329 INFO L229 MonitoredProcess]: Starting monitored process 1438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:12,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1438)] Waiting until timeout for monitored process [2023-12-03 03:27:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:12,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:12,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:12,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:12,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1438)] Ended with exit code 0 [2023-12-03 03:27:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:12,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:12,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:12,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:12,968 INFO L229 MonitoredProcess]: Starting monitored process 1439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:12,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1439)] Waiting until timeout for monitored process [2023-12-03 03:27:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:13,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:13,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:13,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:13,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1439)] Ended with exit code 0 [2023-12-03 03:27:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:13,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:13,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:13,571 INFO L229 MonitoredProcess]: Starting monitored process 1440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:13,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1440)] Waiting until timeout for monitored process [2023-12-03 03:27:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:13,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:13,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:13,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:14,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1440)] Ended with exit code 0 [2023-12-03 03:27:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:14,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:14,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:14,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:14,174 INFO L229 MonitoredProcess]: Starting monitored process 1441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:14,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1441)] Waiting until timeout for monitored process [2023-12-03 03:27:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:14,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:14,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:14,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:14,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1441)] Ended with exit code 0 [2023-12-03 03:27:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:14,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:14,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:14,742 INFO L229 MonitoredProcess]: Starting monitored process 1442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:14,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1442)] Waiting until timeout for monitored process [2023-12-03 03:27:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:14,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:15,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:15,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:15,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1442)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:15,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:15,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:15,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:15,329 INFO L229 MonitoredProcess]: Starting monitored process 1443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:15,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1443)] Waiting until timeout for monitored process [2023-12-03 03:27:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:15,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:15,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:15,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:15,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1443)] Ended with exit code 0 [2023-12-03 03:27:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:15,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:15,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:15,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:15,926 INFO L229 MonitoredProcess]: Starting monitored process 1444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:15,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1444)] Waiting until timeout for monitored process [2023-12-03 03:27:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:16,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:16,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1444)] Ended with exit code 0 [2023-12-03 03:27:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:16,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:16,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:16,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:16,521 INFO L229 MonitoredProcess]: Starting monitored process 1445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1445)] Waiting until timeout for monitored process [2023-12-03 03:27:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:16,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:17,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1445)] Ended with exit code 0 [2023-12-03 03:27:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:17,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:17,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:17,155 INFO L229 MonitoredProcess]: Starting monitored process 1446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:17,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1446)] Waiting until timeout for monitored process [2023-12-03 03:27:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:17,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:17,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:17,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:17,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1446)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:17,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:17,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:17,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:17,727 INFO L229 MonitoredProcess]: Starting monitored process 1447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:17,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1447)] Waiting until timeout for monitored process [2023-12-03 03:27:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:17,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:17,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:17,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:18,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1447)] Ended with exit code 0 [2023-12-03 03:27:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:18,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:18,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:18,291 INFO L229 MonitoredProcess]: Starting monitored process 1448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:18,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1448)] Waiting until timeout for monitored process [2023-12-03 03:27:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:18,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:18,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:18,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:18,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1448)] Ended with exit code 0 [2023-12-03 03:27:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:18,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:18,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:18,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:18,890 INFO L229 MonitoredProcess]: Starting monitored process 1449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:18,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1449)] Waiting until timeout for monitored process [2023-12-03 03:27:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:19,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:19,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:19,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:19,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1449)] Ended with exit code 0 [2023-12-03 03:27:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:19,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:19,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:19,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:19,491 INFO L229 MonitoredProcess]: Starting monitored process 1450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:19,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1450)] Waiting until timeout for monitored process [2023-12-03 03:27:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:19,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:19,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:19,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:20,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1450)] Ended with exit code 0 [2023-12-03 03:27:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:20,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:20,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:20,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:20,075 INFO L229 MonitoredProcess]: Starting monitored process 1451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:20,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1451)] Waiting until timeout for monitored process [2023-12-03 03:27:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:20,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:20,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:20,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:20,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1451)] Ended with exit code 0 [2023-12-03 03:27:20,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:20,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:20,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:20,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:20,648 INFO L229 MonitoredProcess]: Starting monitored process 1452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:20,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1452)] Waiting until timeout for monitored process [2023-12-03 03:27:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:20,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:20,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:20,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:21,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1452)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:21,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:21,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:21,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:21,253 INFO L229 MonitoredProcess]: Starting monitored process 1453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:21,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1453)] Waiting until timeout for monitored process [2023-12-03 03:27:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:21,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:21,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:21,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:21,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1453)] Ended with exit code 0 [2023-12-03 03:27:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:21,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:21,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:21,833 INFO L229 MonitoredProcess]: Starting monitored process 1454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:21,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1454)] Waiting until timeout for monitored process [2023-12-03 03:27:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:22,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:22,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:22,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:22,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1454)] Ended with exit code 0 [2023-12-03 03:27:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:22,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:22,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:22,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:22,398 INFO L229 MonitoredProcess]: Starting monitored process 1455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:22,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1455)] Waiting until timeout for monitored process [2023-12-03 03:27:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:22,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:22,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:22,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:22,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1455)] Ended with exit code 0 [2023-12-03 03:27:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:23,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:23,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:23,002 INFO L229 MonitoredProcess]: Starting monitored process 1456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:23,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1456)] Waiting until timeout for monitored process [2023-12-03 03:27:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:23,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:23,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:23,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:23,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1456)] Ended with exit code 0 [2023-12-03 03:27:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:23,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:23,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:23,605 INFO L229 MonitoredProcess]: Starting monitored process 1457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1457)] Waiting until timeout for monitored process [2023-12-03 03:27:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:23,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:23,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:23,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:24,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1457)] Ended with exit code 0 [2023-12-03 03:27:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:24,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:24,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:24,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:24,189 INFO L229 MonitoredProcess]: Starting monitored process 1458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:24,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1458)] Waiting until timeout for monitored process [2023-12-03 03:27:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:24,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:24,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:24,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:24,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1458)] Ended with exit code 0 [2023-12-03 03:27:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:24,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:24,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:24,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:24,762 INFO L229 MonitoredProcess]: Starting monitored process 1459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:24,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1459)] Waiting until timeout for monitored process [2023-12-03 03:27:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:24,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:25,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:25,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:25,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1459)] Ended with exit code 0 [2023-12-03 03:27:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:25,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:25,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:25,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:25,354 INFO L229 MonitoredProcess]: Starting monitored process 1460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:25,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1460)] Waiting until timeout for monitored process [2023-12-03 03:27:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:25,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:25,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:25,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:25,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1460)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:25,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:25,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:25,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:25,888 INFO L229 MonitoredProcess]: Starting monitored process 1461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:25,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1461)] Waiting until timeout for monitored process [2023-12-03 03:27:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:26,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:26,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:26,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:26,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1461)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:26,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:26,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:26,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:26,477 INFO L229 MonitoredProcess]: Starting monitored process 1462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:26,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1462)] Waiting until timeout for monitored process [2023-12-03 03:27:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:26,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:26,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:26,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:27,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1462)] Ended with exit code 0 [2023-12-03 03:27:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:27,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:27,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:27,058 INFO L229 MonitoredProcess]: Starting monitored process 1463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:27,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1463)] Waiting until timeout for monitored process [2023-12-03 03:27:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:27,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:27,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:27,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:27,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1463)] Ended with exit code 0 [2023-12-03 03:27:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:27,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:27,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:27,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:27,660 INFO L229 MonitoredProcess]: Starting monitored process 1464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:27,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1464)] Waiting until timeout for monitored process [2023-12-03 03:27:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:27,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:27,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:27,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:28,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1464)] Ended with exit code 0 [2023-12-03 03:27:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:28,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:28,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:28,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:28,240 INFO L229 MonitoredProcess]: Starting monitored process 1465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:28,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1465)] Waiting until timeout for monitored process [2023-12-03 03:27:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:28,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:28,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:28,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:28,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1465)] Ended with exit code 0 [2023-12-03 03:27:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:28,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:28,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:28,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:28,818 INFO L229 MonitoredProcess]: Starting monitored process 1466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:28,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1466)] Waiting until timeout for monitored process [2023-12-03 03:27:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:29,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:29,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1466)] Ended with exit code 0 [2023-12-03 03:27:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:29,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:29,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:29,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:29,417 INFO L229 MonitoredProcess]: Starting monitored process 1467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:29,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1467)] Waiting until timeout for monitored process [2023-12-03 03:27:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:29,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:29,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:29,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1467)] Ended with exit code 0 [2023-12-03 03:27:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:29,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:29,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:30,000 INFO L229 MonitoredProcess]: Starting monitored process 1468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:30,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1468)] Waiting until timeout for monitored process [2023-12-03 03:27:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:30,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:30,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1468)] Ended with exit code 0 [2023-12-03 03:27:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:30,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:30,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:30,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:30,586 INFO L229 MonitoredProcess]: Starting monitored process 1469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:30,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1469)] Waiting until timeout for monitored process [2023-12-03 03:27:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:30,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:31,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1469)] Ended with exit code 0 [2023-12-03 03:27:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:31,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:31,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:31,161 INFO L229 MonitoredProcess]: Starting monitored process 1470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1470)] Waiting until timeout for monitored process [2023-12-03 03:27:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:31,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:31,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1470)] Ended with exit code 0 [2023-12-03 03:27:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:31,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:31,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:31,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:31,744 INFO L229 MonitoredProcess]: Starting monitored process 1471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:31,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1471)] Waiting until timeout for monitored process [2023-12-03 03:27:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:31,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:32,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:32,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1471)] Ended with exit code 0 [2023-12-03 03:27:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:32,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:32,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:32,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:32,299 INFO L229 MonitoredProcess]: Starting monitored process 1472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:32,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1472)] Waiting until timeout for monitored process [2023-12-03 03:27:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:32,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:32,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1472)] Ended with exit code 0 [2023-12-03 03:27:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:32,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:32,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:32,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:32,882 INFO L229 MonitoredProcess]: Starting monitored process 1473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:32,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1473)] Waiting until timeout for monitored process [2023-12-03 03:27:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:33,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:33,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:33,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:33,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1473)] Ended with exit code 0 [2023-12-03 03:27:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:33,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:33,494 INFO L229 MonitoredProcess]: Starting monitored process 1474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:33,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1474)] Waiting until timeout for monitored process [2023-12-03 03:27:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:33,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:33,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:33,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:34,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1474)] Ended with exit code 0 [2023-12-03 03:27:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:34,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:34,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:34,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:34,046 INFO L229 MonitoredProcess]: Starting monitored process 1475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:34,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1475)] Waiting until timeout for monitored process [2023-12-03 03:27:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:34,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:34,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1475)] Ended with exit code 0 [2023-12-03 03:27:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:34,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:34,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:34,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:34,617 INFO L229 MonitoredProcess]: Starting monitored process 1476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:34,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1476)] Waiting until timeout for monitored process [2023-12-03 03:27:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:34,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:34,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:35,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1476)] Ended with exit code 0 [2023-12-03 03:27:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:35,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:35,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:35,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:35,281 INFO L229 MonitoredProcess]: Starting monitored process 1477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:35,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1477)] Waiting until timeout for monitored process [2023-12-03 03:27:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:35,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:35,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:35,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:35,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1477)] Ended with exit code 0 [2023-12-03 03:27:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:35,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:35,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:35,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:35,854 INFO L229 MonitoredProcess]: Starting monitored process 1478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:35,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1478)] Waiting until timeout for monitored process [2023-12-03 03:27:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:36,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:36,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1478)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:36,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:36,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:36,433 INFO L229 MonitoredProcess]: Starting monitored process 1479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:36,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1479)] Waiting until timeout for monitored process [2023-12-03 03:27:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:36,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:37,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1479)] Ended with exit code 0 [2023-12-03 03:27:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:37,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:37,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:37,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:37,032 INFO L229 MonitoredProcess]: Starting monitored process 1480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:37,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1480)] Waiting until timeout for monitored process [2023-12-03 03:27:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:37,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:37,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:37,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:37,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1480)] Ended with exit code 0 [2023-12-03 03:27:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:37,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:37,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:37,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:37,616 INFO L229 MonitoredProcess]: Starting monitored process 1481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:37,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1481)] Waiting until timeout for monitored process [2023-12-03 03:27:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:37,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:37,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:37,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:38,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1481)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:38,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:38,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:38,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:38,189 INFO L229 MonitoredProcess]: Starting monitored process 1482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:38,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1482)] Waiting until timeout for monitored process [2023-12-03 03:27:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:38,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:38,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1482)] Ended with exit code 0 [2023-12-03 03:27:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:38,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:38,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:38,738 INFO L229 MonitoredProcess]: Starting monitored process 1483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:38,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1483)] Waiting until timeout for monitored process [2023-12-03 03:27:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:38,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:38,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:39,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1483)] Ended with exit code 0 [2023-12-03 03:27:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:39,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:39,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:39,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:39,334 INFO L229 MonitoredProcess]: Starting monitored process 1484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:39,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1484)] Waiting until timeout for monitored process [2023-12-03 03:27:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:39,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:39,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:39,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:39,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1484)] Ended with exit code 0 [2023-12-03 03:27:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:39,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:39,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:39,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:39,889 INFO L229 MonitoredProcess]: Starting monitored process 1485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:39,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1485)] Waiting until timeout for monitored process [2023-12-03 03:27:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:40,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:40,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1485)] Ended with exit code 0 [2023-12-03 03:27:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:40,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:40,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:40,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:40,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:40,486 INFO L229 MonitoredProcess]: Starting monitored process 1486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:40,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1486)] Waiting until timeout for monitored process [2023-12-03 03:27:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:40,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:41,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1486)] Ended with exit code 0 [2023-12-03 03:27:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:41,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:41,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:41,081 INFO L229 MonitoredProcess]: Starting monitored process 1487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:41,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1487)] Waiting until timeout for monitored process [2023-12-03 03:27:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:41,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:41,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:41,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:41,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1487)] Ended with exit code 0 [2023-12-03 03:27:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:41,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:41,698 INFO L229 MonitoredProcess]: Starting monitored process 1488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:41,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1488)] Waiting until timeout for monitored process [2023-12-03 03:27:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:41,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:41,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:41,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:42,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1488)] Ended with exit code 0 [2023-12-03 03:27:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:42,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:42,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:42,244 INFO L229 MonitoredProcess]: Starting monitored process 1489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:42,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1489)] Waiting until timeout for monitored process [2023-12-03 03:27:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:42,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:42,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:42,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:42,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1489)] Ended with exit code 0 [2023-12-03 03:27:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:42,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:42,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:42,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:42,819 INFO L229 MonitoredProcess]: Starting monitored process 1490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:42,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1490)] Waiting until timeout for monitored process [2023-12-03 03:27:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:43,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:43,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1490)] Ended with exit code 0 [2023-12-03 03:27:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:43,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:43,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:43,418 INFO L229 MonitoredProcess]: Starting monitored process 1491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1491)] Waiting until timeout for monitored process [2023-12-03 03:27:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:43,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:43,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1491)] Ended with exit code 0 [2023-12-03 03:27:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:43,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:43,996 INFO L229 MonitoredProcess]: Starting monitored process 1492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:43,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1492)] Waiting until timeout for monitored process [2023-12-03 03:27:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:44,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:44,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1492)] Ended with exit code 0 [2023-12-03 03:27:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:44,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:44,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:44,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:44,630 INFO L229 MonitoredProcess]: Starting monitored process 1493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:44,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1493)] Waiting until timeout for monitored process [2023-12-03 03:27:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:44,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:45,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1493)] Ended with exit code 0 [2023-12-03 03:27:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:45,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:45,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:45,217 INFO L229 MonitoredProcess]: Starting monitored process 1494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:45,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1494)] Waiting until timeout for monitored process [2023-12-03 03:27:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:45,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:45,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:45,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:45,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1494)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:45,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:45,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:45,847 INFO L229 MonitoredProcess]: Starting monitored process 1495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:45,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1495)] Waiting until timeout for monitored process [2023-12-03 03:27:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:46,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:46,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1495)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:46,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:46,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:46,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:46,437 INFO L229 MonitoredProcess]: Starting monitored process 1496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:46,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1496)] Waiting until timeout for monitored process [2023-12-03 03:27:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:46,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:47,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1496)] Ended with exit code 0 [2023-12-03 03:27:47,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:47,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:47,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:47,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:47,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:47,031 INFO L229 MonitoredProcess]: Starting monitored process 1497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:47,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1497)] Waiting until timeout for monitored process [2023-12-03 03:27:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:47,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:47,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:47,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:47,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1497)] Ended with exit code 0 [2023-12-03 03:27:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:47,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:47,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:47,627 INFO L229 MonitoredProcess]: Starting monitored process 1498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:47,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1498)] Waiting until timeout for monitored process [2023-12-03 03:27:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:47,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:47,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:47,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:48,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1498)] Ended with exit code 0 [2023-12-03 03:27:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:48,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:48,229 INFO L229 MonitoredProcess]: Starting monitored process 1499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:48,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1499)] Waiting until timeout for monitored process [2023-12-03 03:27:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:48,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:48,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1499)] Ended with exit code 0 [2023-12-03 03:27:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:48,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:48,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:48,815 INFO L229 MonitoredProcess]: Starting monitored process 1500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:48,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1500)] Waiting until timeout for monitored process [2023-12-03 03:27:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:49,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:49,343 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:49,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1500)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:49,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:49,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:49,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:49,348 INFO L229 MonitoredProcess]: Starting monitored process 1501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:49,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1501)] Waiting until timeout for monitored process [2023-12-03 03:27:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:49,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:50,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1501)] Ended with exit code 0 [2023-12-03 03:27:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:50,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:50,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:50,012 INFO L229 MonitoredProcess]: Starting monitored process 1502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:50,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1502)] Waiting until timeout for monitored process [2023-12-03 03:27:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:50,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:50,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1502)] Ended with exit code 0 [2023-12-03 03:27:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:50,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:50,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:50,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:50,585 INFO L229 MonitoredProcess]: Starting monitored process 1503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:50,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1503)] Waiting until timeout for monitored process [2023-12-03 03:27:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:50,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:51,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1503)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:51,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:51,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:51,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:51,197 INFO L229 MonitoredProcess]: Starting monitored process 1504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:51,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1504)] Waiting until timeout for monitored process [2023-12-03 03:27:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:51,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:51,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:51,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:51,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1504)] Ended with exit code 0 [2023-12-03 03:27:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:51,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:51,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:51,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:51,792 INFO L229 MonitoredProcess]: Starting monitored process 1505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:51,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1505)] Waiting until timeout for monitored process [2023-12-03 03:27:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:52,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:52,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:52,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:52,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1505)] Ended with exit code 0 [2023-12-03 03:27:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:52,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:52,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:52,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:52,359 INFO L229 MonitoredProcess]: Starting monitored process 1506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:52,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1506)] Waiting until timeout for monitored process [2023-12-03 03:27:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:52,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:52,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:52,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:52,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1506)] Ended with exit code 0 [2023-12-03 03:27:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:52,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:52,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:52,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:52,942 INFO L229 MonitoredProcess]: Starting monitored process 1507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:52,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1507)] Waiting until timeout for monitored process [2023-12-03 03:27:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:53,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:53,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1507)] Ended with exit code 0 [2023-12-03 03:27:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:53,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:53,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:53,489 INFO L229 MonitoredProcess]: Starting monitored process 1508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:53,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1508)] Waiting until timeout for monitored process [2023-12-03 03:27:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:53,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:54,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1508)] Ended with exit code 0 [2023-12-03 03:27:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:54,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:54,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:54,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:54,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:54,034 INFO L229 MonitoredProcess]: Starting monitored process 1509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:54,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1509)] Waiting until timeout for monitored process [2023-12-03 03:27:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:54,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:54,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:54,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:54,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1509)] Ended with exit code 0 [2023-12-03 03:27:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:54,593 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:54,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:54,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:54,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:54,594 INFO L229 MonitoredProcess]: Starting monitored process 1510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:54,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1510)] Waiting until timeout for monitored process [2023-12-03 03:27:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:54,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:54,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:54,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:55,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1510)] Ended with exit code 0 [2023-12-03 03:27:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:55,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:55,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:55,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:55,183 INFO L229 MonitoredProcess]: Starting monitored process 1511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:55,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1511)] Waiting until timeout for monitored process [2023-12-03 03:27:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:55,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:55,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:55,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:55,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1511)] Ended with exit code 0 [2023-12-03 03:27:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:55,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:55,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:55,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:55,827 INFO L229 MonitoredProcess]: Starting monitored process 1512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:55,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1512)] Waiting until timeout for monitored process [2023-12-03 03:27:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:56,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:56,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:56,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:56,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1512)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:56,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:56,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:56,405 INFO L229 MonitoredProcess]: Starting monitored process 1513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:56,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1513)] Waiting until timeout for monitored process [2023-12-03 03:27:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:56,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:56,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:56,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:56,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1513)] Ended with exit code 0 [2023-12-03 03:27:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:56,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:56,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:56,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:56,936 INFO L229 MonitoredProcess]: Starting monitored process 1514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:56,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1514)] Waiting until timeout for monitored process [2023-12-03 03:27:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:57,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:57,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1514)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:57,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:57,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:57,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:57,519 INFO L229 MonitoredProcess]: Starting monitored process 1515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:57,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1515)] Waiting until timeout for monitored process [2023-12-03 03:27:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:57,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:58,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1515)] Ended with exit code 0 [2023-12-03 03:27:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:58,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:58,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:58,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:58,087 INFO L229 MonitoredProcess]: Starting monitored process 1516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:58,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1516)] Waiting until timeout for monitored process [2023-12-03 03:27:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:58,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:58,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:27:58,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:27:58,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1516)] Ended with exit code 0 [2023-12-03 03:27:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:58,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:58,644 INFO L229 MonitoredProcess]: Starting monitored process 1517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:58,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1517)] Waiting until timeout for monitored process [2023-12-03 03:27:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:58,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:58,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:58,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:59,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1517)] Ended with exit code 0 [2023-12-03 03:27:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:59,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:59,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:59,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:59,217 INFO L229 MonitoredProcess]: Starting monitored process 1518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:59,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1518)] Waiting until timeout for monitored process [2023-12-03 03:27:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:59,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:59,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:27:59,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:27:59,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1518)] Ended with exit code 0 [2023-12-03 03:27:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:27:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:27:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:27:59,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:59,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:59,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:59,788 INFO L229 MonitoredProcess]: Starting monitored process 1519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:59,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1519)] Waiting until timeout for monitored process [2023-12-03 03:28:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:00,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:00,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:28:00,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:28:00,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1519)] Ended with exit code 0 [2023-12-03 03:28:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:28:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:28:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:28:00,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:00,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:00,363 INFO L229 MonitoredProcess]: Starting monitored process 1520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:00,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1520)] Waiting until timeout for monitored process [2023-12-03 03:28:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:00,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:00,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:28:00,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:28:00,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1520)] Forceful destruction successful, exit code 0 [2023-12-03 03:28:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:28:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:28:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:28:00,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:00,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:00,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:00,957 INFO L229 MonitoredProcess]: Starting monitored process 1521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:00,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1521)] Waiting until timeout for monitored process [2023-12-03 03:28:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:28:01,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:28:01,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1521)] Ended with exit code 0 [2023-12-03 03:28:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:28:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:28:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:28:01,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:01,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:01,503 INFO L229 MonitoredProcess]: Starting monitored process 1522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:01,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1522)] Waiting until timeout for monitored process [2023-12-03 03:28:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:28:01,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:28:02,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1522)] Ended with exit code 0 [2023-12-03 03:28:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:28:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:28:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:28:02,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:02,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:02,068 INFO L229 MonitoredProcess]: Starting monitored process 1523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:02,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1523)] Waiting until timeout for monitored process [2023-12-03 03:28:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:02,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:02,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:28:02,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:28:02,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1523)] Forceful destruction successful, exit code 0 [2023-12-03 03:28:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:28:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:28:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:28:02,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:02,681 INFO L229 MonitoredProcess]: Starting monitored process 1524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:02,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f695d1e2-c1ce-483a-a205-39883feace35/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (1524)] Waiting until timeout for monitored process [2023-12-03 03:28:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:02,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported