./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.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_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/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_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/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_50bb8da9-feb3-4a33-b009-bc12b60579d2/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 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:24:23,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:24:24,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:24:24,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:24:24,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:24:24,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:24:24,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:24:24,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:24:24,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:24:24,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:24:24,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:24:24,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:24:24,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:24:24,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:24:24,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:24:24,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:24:24,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:24:24,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:24:24,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:24:24,084 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:24:24,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:24:24,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:24:24,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:24:24,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:24:24,087 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:24:24,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:24:24,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:24,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:24:24,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:24:24,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:24:24,089 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:24:24,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:24:24,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:24:24,090 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2023-12-03 02:24:24,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:24:24,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:24:24,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:24:24,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:24:24,336 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:24:24,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-12-03 02:24:27,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:24:27,298 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:24:27,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-12-03 02:24:27,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data/05118db1a/f4242414c6ff48e98e6d1bbdea999e16/FLAG7be8bfdd5 [2023-12-03 02:24:27,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data/05118db1a/f4242414c6ff48e98e6d1bbdea999e16 [2023-12-03 02:24:27,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:24:27,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:24:27,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:27,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:24:27,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:24:27,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe49a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27, skipping insertion in model container [2023-12-03 02:24:27,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:24:27,502 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-12-03 02:24:27,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:27,545 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:24:27,558 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-12-03 02:24:27,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:27,591 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:24:27,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27 WrapperNode [2023-12-03 02:24:27,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:27,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:27,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:24:27,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:24:27,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,628 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-12-03 02:24:27,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:27,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:24:27,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:24:27,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:24:27,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:24:27,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:24:27,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:24:27,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:24:27,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:27" (1/1) ... [2023-12-03 02:24:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:27,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:24:27,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:24:27,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:24:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:24:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:24:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:24:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:24:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:24:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:24:27,790 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:24:27,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:24:27,967 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:24:28,084 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:24:28,085 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:24:28,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:28 BoogieIcfgContainer [2023-12-03 02:24:28,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:24:28,088 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:24:28,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:24:28,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:24:28,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:28" (1/1) ... [2023-12-03 02:24:28,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:24:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-03 02:24:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-03 02:24:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:24:28,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:24:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:24:28,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:24:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:24:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:24:28,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:24:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:24:28,543 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:24:28,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:24:28 ImpRootNode [2023-12-03 02:24:28,584 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:24:28,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:24:28,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:24:28,585 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:24:28,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:28" (3/4) ... [2023-12-03 02:24:28,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:24:28,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:24:28,590 INFO L158 Benchmark]: Toolchain (without parser) took 1265.39ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 116.2MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:24:28,591 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:24:28,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.51ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 99.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:24:28,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.80ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 98.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:24:28,593 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:24:28,593 INFO L158 Benchmark]: RCFGBuilder took 431.14ms. Allocated memory is still 151.0MB. Free memory was 96.7MB in the beginning and 75.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:24:28,594 INFO L158 Benchmark]: CodeCheck took 496.28ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 116.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:24:28,595 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 151.0MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:24:28,598 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 36 NumberOfCodeBlocks, 36 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 someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned short int var_1_3 = 16; [L24] unsigned long int var_1_7 = 1000; [L25] signed char var_1_8 = -4; [L26] signed short int var_1_9 = 2; [L27] unsigned char var_1_10 = 1; [L28] unsigned char var_1_11 = 0; [L29] double var_1_12 = 0.95; [L30] double var_1_13 = 9.8; [L31] signed short int last_1_var_1_9 = 2; [L32] unsigned char last_1_var_1_10 = 1; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_9 = var_1_9 [L80] last_1_var_1_10 = var_1_10 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L63] var_1_3 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L69] var_1_8 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L72] var_1_11 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_1=-128, var_1_8=0, var_1_9=2] [L91] RET updateVariables() [L92] CALL step() [L36] signed long int stepLocal_2 = last_1_var_1_9; [L37] unsigned char stepLocal_1 = (- var_1_7) <= last_1_var_1_9; [L38] unsigned char stepLocal_0 = last_1_var_1_10; [L39] COND TRUE stepLocal_0 || ((~ last_1_var_1_9) >= last_1_var_1_9) [L40] COND FALSE !(last_1_var_1_9 < stepLocal_2) [L49] var_1_1 = var_1_8 [L54] var_1_10 = var_1_11 [L55] var_1_12 = var_1_13 [L56] COND FALSE !(\read(var_1_10)) [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return ((((last_1_var_1_10 || ((~ last_1_var_1_9) >= last_1_var_1_9)) ? ((last_1_var_1_9 < last_1_var_1_9) ? ((! last_1_var_1_10) ? (((last_1_var_1_9 > last_1_var_1_9) && ((- var_1_7) <= last_1_var_1_9)) ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_8))) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && (var_1_10 ? ((((4131182089u - var_1_3) - 200u) < var_1_1) ? (var_1_9 == ((signed short int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) var_1_13)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.51ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 99.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.80ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 98.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.14ms. Allocated memory is still 151.0MB. Free memory was 96.7MB in the beginning and 75.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 496.28ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 116.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 151.0MB. Free memory is still 116.2MB. 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 02:24:28,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/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_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/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_50bb8da9-feb3-4a33-b009-bc12b60579d2/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 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:24:30,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:24:30,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:24:30,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:24:30,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:24:30,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:24:30,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:24:30,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:24:30,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:24:30,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:24:30,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:24:30,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:24:30,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:24:30,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:24:30,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:24:30,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:24:30,645 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:24:30,646 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:24:30,646 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:24:30,647 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:24:30,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:24:30,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:24:30,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:24:30,649 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:24:30,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:24:30,650 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:30,650 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:24:30,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:24:30,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:30,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:24:30,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:24:30,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:24:30,653 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:24:30,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:30,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:24:30,654 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:24:30,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:24:30,654 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2023-12-03 02:24:30,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:24:30,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:24:30,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:24:30,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:24:30,950 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:24:30,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-12-03 02:24:33,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:24:33,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:24:33,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-12-03 02:24:33,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data/2cf301d2a/a1a6a0a3ae714ae5a3aa574b379a2677/FLAGf778f2a5e [2023-12-03 02:24:33,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/data/2cf301d2a/a1a6a0a3ae714ae5a3aa574b379a2677 [2023-12-03 02:24:33,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:24:34,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:24:34,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:34,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:24:34,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:24:34,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:33" (1/1) ... [2023-12-03 02:24:34,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603dd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34, skipping insertion in model container [2023-12-03 02:24:34,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:33" (1/1) ... [2023-12-03 02:24:34,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:24:34,184 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-12-03 02:24:34,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:34,232 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:24:34,246 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_50bb8da9-feb3-4a33-b009-bc12b60579d2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-12-03 02:24:34,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:34,281 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:24:34,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34 WrapperNode [2023-12-03 02:24:34,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:34,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:34,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:24:34,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:24:34,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,326 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2023-12-03 02:24:34,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:34,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:24:34,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:24:34,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:24:34,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:24:34,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:24:34,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:24:34,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:24:34,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:34,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:24:34,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:24:34,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:24:34,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:24:34,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:24:34,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:24:34,497 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:24:34,499 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:24:34,687 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:24:34,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:24:34,806 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:24:34,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:34 BoogieIcfgContainer [2023-12-03 02:24:34,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:24:34,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:24:34,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:24:34,818 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:24:34,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:34" (1/1) ... [2023-12-03 02:24:34,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:24:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-03 02:24:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-03 02:24:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:24:34,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:34,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:34,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:34,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:34,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:24:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:35,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:35,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:24:35,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:24:45,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:24:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:24:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:24:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:24:46,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:46,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:46,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:46,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:46,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:24:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:46,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:46,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:24:46,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:24:54,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:24:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:24:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:24:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:24:54,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:54,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:54,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:54,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:24:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:54,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:54,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:24:54,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:01,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:25:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:01,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:01,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:01,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:25:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:02,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:02,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:02,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:09,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:25:09,261 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:25:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:09,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:09,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:09,272 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:09,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:25:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:09,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:09,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:09,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:17,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:25:17,022 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:25:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:17,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:17,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:17,032 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:17,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:25:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:17,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:17,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:17,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:24,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:25:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:24,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:24,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:24,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:24,686 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:24,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:25:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:24,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:25,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:25,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:32,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:25:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:32,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:32,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:32,581 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:32,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:25:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:32,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:32,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:32,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:39,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:25:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:39,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:39,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:39,965 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:39,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:25:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:40,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:40,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:40,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:47,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:25:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:47,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:47,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:47,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:47,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:47,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:25:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:47,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:47,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:47,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:25:54,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:25:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:25:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:25:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:25:54,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:54,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:54,794 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:54,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:25:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:55,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:55,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:25:55,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:02,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:26:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:02,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:02,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:02,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:02,353 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:26:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:02,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:02,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:02,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:09,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:26:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:09,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:09,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:09,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:09,743 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:09,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:26:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:10,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:10,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:10,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:17,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:26:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:17,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:17,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:17,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:17,080 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:17,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:26:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:17,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:17,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:17,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:24,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:26:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:24,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:24,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:24,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:24,432 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:24,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:26:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:24,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:24,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:24,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:31,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:26:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:31,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:31,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:31,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:31,734 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:31,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:26:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:32,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:32,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:32,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:39,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:26:39,065 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:26:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:39,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:39,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:39,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:39,072 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:39,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:26:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:39,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:39,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:39,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:46,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:26:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:46,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:46,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:46,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:46,437 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:46,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:26:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:46,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:46,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:46,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:26:53,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:26:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:26:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:26:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:53,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:53,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:53,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:53,934 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:26:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:54,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:54,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:54,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:01,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:27:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:01,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:01,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:01,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:01,345 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:01,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:27:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:01,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:01,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:01,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:08,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:27:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:08,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:08,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:08,682 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:08,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:27:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:08,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:09,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:09,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:16,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:27:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:16,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:16,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:16,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:16,015 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:16,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:27:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:16,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:16,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:16,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:23,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:27:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:23,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:23,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:23,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:23,369 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:23,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:27:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:23,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:23,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:23,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:30,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:27:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:30,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:30,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:30,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:30,680 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:30,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:27:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:30,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:31,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:31,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:38,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:27:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:38,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:38,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:38,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:38,153 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:38,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:27:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:38,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:38,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:38,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:45,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 02:27:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:45,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:45,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:45,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:45,555 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:45,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:27:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:45,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:45,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:45,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:27:52,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:27:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:27:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:27:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:27:52,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:52,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:52,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:52,868 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:52,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:27:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:53,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:53,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:27:53,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:00,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:28:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:00,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:00,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:00,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:00,163 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:00,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:28:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:00,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:00,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:00,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:07,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:28:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:07,480 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:07,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:07,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:07,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:07,482 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:07,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:28:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:07,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:07,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:07,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:14,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:28:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:14,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:14,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:14,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:14,886 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:14,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:28:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:15,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:15,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:15,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:22,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:28:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:22,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:22,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:22,159 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:22,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:28:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:22,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:22,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:22,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:29,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:28:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:29,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:29,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:29,476 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:29,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:28:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:29,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:29,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:29,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:36,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:28:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:36,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:36,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:36,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:36,744 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:36,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:28:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:37,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:37,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:37,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:44,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:28:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:44,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:44,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:44,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:44,169 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:44,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:28:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:44,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:44,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:44,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:51,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:28:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:51,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:51,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:51,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:51,488 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:51,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:28:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:51,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:51,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:51,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:28:58,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:28:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:28:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:28:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:28:58,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:58,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:58,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:58,749 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:58,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:28:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:59,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:59,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:28:59,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:06,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:29:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:06,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:06,023 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:06,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:29:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:06,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:06,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:06,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:13,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:29:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:13,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:13,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:13,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:13,285 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:13,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:29:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:13,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:13,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:13,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:20,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:29:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:20,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:20,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:20,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:20,621 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:20,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:29:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:20,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:20,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:20,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:27,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:29:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:27,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:27,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:27,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:27,986 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:29:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:28,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:28,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:28,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:35,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:29:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:35,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:35,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:35,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:35,283 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:35,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:29:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:35,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:35,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:35,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:42,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:29:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:42,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:42,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:42,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:42,660 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:42,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:29:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:42,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:42,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:42,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:49,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:29:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:49,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:49,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:49,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:49,935 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:49,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:29:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:50,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:50,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:50,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:29:57,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:29:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:29:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:29:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:29:57,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:57,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:57,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:57,278 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:57,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:29:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:57,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:57,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:29:57,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:04,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:30:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:04,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:04,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:04,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:04,563 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:30:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:04,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:04,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:04,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:11,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:30:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:11,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:11,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:11,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:11,865 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:11,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:30:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:12,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:12,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:12,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:19,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:30:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:19,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:19,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:19,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:19,167 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:19,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:30:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:19,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:19,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:19,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:26,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:30:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:26,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:26,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:26,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:26,602 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:26,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:30:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:26,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:26,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:26,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:34,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:30:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:34,082 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:34,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:34,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:34,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:34,083 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:34,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:30:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:34,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:34,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:34,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:41,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 02:30:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:41,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:41,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:41,558 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:30:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:41,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:41,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:41,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:49,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 02:30:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:49,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:49,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:49,040 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:30:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:49,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:49,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:49,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:30:56,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:30:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:30:56,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:30:56,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:30:56,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:56,569 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:56,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:30:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:56,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:56,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:30:56,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:03,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:31:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:03,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:03,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:03,974 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:03,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:31:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:04,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:04,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:04,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:11,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:31:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:11,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:11,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:11,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:11,312 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:11,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:31:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:11,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:11,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:11,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:18,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:31:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:18,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:18,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:18,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:18,639 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:18,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:31:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:18,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:18,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:18,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:26,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:31:26,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:26,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:26,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:26,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:26,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:26,095 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:26,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:31:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:26,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:26,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:26,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:33,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:31:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:33,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:33,495 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:33,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:31:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:33,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:33,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:33,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:40,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:31:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:40,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:40,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:40,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:40,914 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:40,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:31:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:41,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:41,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:41,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:48,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:31:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:48,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:48,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:48,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:48,277 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:48,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:31:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:48,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:48,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:48,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:31:55,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:31:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:31:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:31:55,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:31:55,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:55,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:55,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:55,808 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:55,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:31:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:56,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:56,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:56,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:03,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:32:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:03,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:03,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:03,230 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:03,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:32:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:03,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:03,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:03,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:10,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:32:10,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:10,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:10,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:10,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:10,670 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:10,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:32:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:10,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:11,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:11,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:18,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:32:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:18,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:18,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:18,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:18,909 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:18,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:32:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:19,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:19,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:19,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:27,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:32:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:27,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:27,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:27,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:27,293 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:27,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:32:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:27,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:27,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:27,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:36,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:32:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:36,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:36,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:36,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:36,095 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:36,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:32:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:36,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:36,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:36,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:43,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:32:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:43,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:43,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:43,711 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:43,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:32:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:44,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:44,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:44,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:51,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:32:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:51,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:51,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:51,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:51,546 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:51,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:32:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:51,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:51,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:51,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:32:59,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:32:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:32:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:32:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:32:59,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:59,317 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:59,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:32:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:59,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:59,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:32:59,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:07,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:33:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:07,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:07,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:07,104 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:07,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:33:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:07,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:07,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:07,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:14,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:33:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:14,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:14,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:14,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:14,628 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:14,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:33:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:15,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:15,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:15,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:22,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:33:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:22,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:22,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:22,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:22,527 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:22,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:33:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:22,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:22,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:22,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:30,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:30,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:30,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:30,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:30,405 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:33:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:30,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:37,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:33:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:37,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:37,973 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:37,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:33:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:38,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:38,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:38,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:45,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:33:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:45,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:45,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:45,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:45,534 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:45,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:33:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:45,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:45,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:45,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:33:53,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:33:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:33:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:33:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:33:53,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:53,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:53,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:53,293 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:53,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:33:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:53,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:53,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:33:53,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:01,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:34:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:01,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:01,120 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:01,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:34:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:01,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:01,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:01,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:08,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:34:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:08,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:08,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:08,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:08,892 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:08,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:34:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:09,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:09,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:09,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:16,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:34:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:16,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:16,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:16,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:16,279 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:16,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:34:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:16,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:23,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:34:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:23,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:23,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:23,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:23,593 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:23,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:34:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:23,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:23,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:23,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:31,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:31,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:31,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:31,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:31,035 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:31,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:34:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:31,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:31,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:31,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:38,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:34:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:38,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:38,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:38,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:38,726 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:38,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:34:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:39,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:39,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:39,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:45,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:34:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:45,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:45,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:45,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:45,958 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:45,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:34:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:46,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:46,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:46,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:34:53,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:34:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:34:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:34:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:34:53,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:53,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:53,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:53,260 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:53,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:34:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:53,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:53,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:34:53,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:00,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:35:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:00,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:00,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:00,577 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:00,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:35:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:00,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:00,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:00,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:07,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:35:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:07,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:07,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:07,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:07,815 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:07,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:35:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:08,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:08,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:08,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:15,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:35:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:15,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:15,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:15,141 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:15,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:35:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:15,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:15,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:15,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:22,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:35:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:22,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:22,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:22,385 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:35:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:22,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:22,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:22,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:29,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:35:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:29,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:29,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:29,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:29,768 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:29,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:35:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:30,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:30,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:30,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:37,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:35:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:37,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:37,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:37,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:37,030 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:37,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:35:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:37,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:37,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:37,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:44,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:35:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:44,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:44,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:44,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:44,391 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:44,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:35:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:44,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:44,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:44,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:52,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:35:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:52,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:52,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:52,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:52,006 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:52,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:35:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:52,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:52,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:52,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:35:59,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:35:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:35:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:35:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:35:59,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:59,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:59,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:59,405 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:59,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:35:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:59,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:59,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:35:59,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:06,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:36:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:06,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:06,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:06,651 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:06,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:36:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:06,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:06,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:06,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:14,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:36:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:14,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:14,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:14,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:14,020 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:14,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:36:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:14,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:14,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:14,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:21,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:36:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:21,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:21,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:21,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:21,243 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:21,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:36:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:21,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:21,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:21,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:28,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:36:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:28,523 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:28,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:28,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:28,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:28,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:28,525 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:28,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:36:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:28,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:28,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:28,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:35,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:36:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:35,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:35,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:35,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:35,792 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:35,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:36:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:36,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:36,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:36,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:43,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:36:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:43,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:43,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:43,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:43,103 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:43,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:36:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:43,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:50,372 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:50,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:36:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:50,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:50,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:50,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:50,381 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:50,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:36:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:50,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:50,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:50,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:36:57,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:36:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:36:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:36:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:36:57,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:57,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:57,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:57,686 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:57,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:36:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:57,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:57,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:36:57,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:05,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:37:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:05,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:05,105 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:05,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:37:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:05,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:05,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:05,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:12,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:37:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:12,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:12,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:12,411 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:12,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:37:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:12,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:12,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:12,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:19,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:37:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:19,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:19,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:19,705 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:19,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:37:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:19,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:20,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:20,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:27,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:37:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:27,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:27,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:27,027 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:27,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:37:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:27,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:27,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:27,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:34,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:37:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:34,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:34,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:34,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:34,361 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:34,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:37:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:34,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:34,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:34,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:41,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:37:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:41,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:41,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:41,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:41,608 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:41,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:37:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:41,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:41,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:41,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:48,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:37:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:48,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:48,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:48,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:48,856 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:48,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:37:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:49,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:49,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:49,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:37:56,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:37:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:37:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:37:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:37:56,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:56,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:56,146 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:56,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:37:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:56,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:56,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:37:56,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:03,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:03,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:03,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:03,339 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:03,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:38:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:03,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:10,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:38:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:10,541 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:10,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:10,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:10,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:10,542 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:38:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:10,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:10,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:10,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:17,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:38:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:17,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:17,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:17,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:17,846 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:17,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:38:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:18,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:18,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:18,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:25,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:38:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:25,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:25,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:25,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:25,135 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:25,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:38:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:25,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:25,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:25,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:32,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:38:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:32,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:32,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:32,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:32,372 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:32,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:38:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:32,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:32,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:32,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:39,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:38:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:39,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:39,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:39,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:39,649 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:39,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:38:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:39,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:39,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:39,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:46,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:38:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:46,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:46,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:46,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:46,897 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:46,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:38:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:47,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:47,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:47,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:38:54,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:38:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:38:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:38:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:38:54,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:54,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:54,196 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:54,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:38:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:54,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:54,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:38:54,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:39:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:39:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:39:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:39:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:39:01,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:01,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:01,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:01,432 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:01,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:39:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:01,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:01,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:39:01,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:39:08,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:39:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:39:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:39:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:39:08,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:08,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:08,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:08,727 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:08,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:39:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:08,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:09,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:39:09,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 02:39:16,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:39:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:39:16,032 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:39:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:39:16,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:16,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:16,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:16,033 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:16,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb8da9-feb3-4a33-b009-bc12b60579d2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:39:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:16,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:16,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:39:16,342 INFO L285 TraceCheckSpWp]: Computing forward predicates...