./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.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_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/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_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/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_ea514c17-c806-44c4-8bf9-098ab616eccd/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:36:41,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:36:41,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:36:41,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:36:41,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:36:42,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:36:42,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:36:42,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:36:42,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:36:42,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:36:42,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:36:42,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:36:42,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:36:42,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:36:42,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:36:42,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:36:42,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:36:42,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:36:42,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:36:42,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:36:42,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:36:42,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:36:42,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:36:42,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:36:42,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:36:42,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:36:42,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:36:42,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:36:42,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:36:42,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:36:42,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:36:42,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:36:42,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:36:42,019 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_ea514c17-c806-44c4-8bf9-098ab616eccd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2023-12-03 04:36:42,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:36:42,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:36:42,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:36:42,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:36:42,260 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:36:42,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-12-03 04:36:45,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:36:45,173 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:36:45,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-12-03 04:36:45,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data/2d39ad0d7/7cfe092f6d7242838a9c305174c33d4c/FLAGa0dc93e62 [2023-12-03 04:36:45,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data/2d39ad0d7/7cfe092f6d7242838a9c305174c33d4c [2023-12-03 04:36:45,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:36:45,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:36:45,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:36:45,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:36:45,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:36:45,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c24759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45, skipping insertion in model container [2023-12-03 04:36:45,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:36:45,353 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_ea514c17-c806-44c4-8bf9-098ab616eccd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-12-03 04:36:45,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:36:45,394 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:36:45,405 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_ea514c17-c806-44c4-8bf9-098ab616eccd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-12-03 04:36:45,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:36:45,433 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:36:45,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45 WrapperNode [2023-12-03 04:36:45,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:36:45,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:36:45,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:36:45,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:36:45,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,472 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-12-03 04:36:45,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:36:45,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:36:45,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:36:45,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:36:45,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:36:45,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:36:45,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:36:45,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:36:45,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:36:45,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:36:45,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:36:45,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:36:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:36:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:36:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:36:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:36:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:36:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:36:45,630 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:36:45,632 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:36:45,801 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:36:45,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:36:45,895 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:36:45,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:45 BoogieIcfgContainer [2023-12-03 04:36:45,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:36:45,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:36:45,898 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:36:45,907 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:36:45,908 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:45" (1/1) ... [2023-12-03 04:36:45,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:36:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-12-03 04:36:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-12-03 04:36:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:36:45,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:45,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:36:46,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:36:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:36:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:36:46,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:36:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:36:46,628 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:36:46,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:36:46 ImpRootNode [2023-12-03 04:36:46,682 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:36:46,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:36:46,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:36:46,683 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:36:46,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:45" (3/4) ... [2023-12-03 04:36:46,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:36:46,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:36:46,688 INFO L158 Benchmark]: Toolchain (without parser) took 1487.68ms. Allocated memory is still 178.3MB. Free memory was 150.4MB in the beginning and 90.1MB in the end (delta: 60.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-12-03 04:36:46,688 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:36:46,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.03ms. Allocated memory is still 178.3MB. Free memory was 150.4MB in the beginning and 139.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:36:46,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.54ms. Allocated memory is still 178.3MB. Free memory was 138.1MB in the beginning and 137.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:36:46,690 INFO L158 Benchmark]: Boogie Preprocessor took 23.63ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 136.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:36:46,691 INFO L158 Benchmark]: RCFGBuilder took 398.50ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 148.6MB in the end (delta: -12.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:36:46,691 INFO L158 Benchmark]: CodeCheck took 784.16ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 90.1MB in the end (delta: 58.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-03 04:36:46,692 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 178.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:36:46,695 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 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 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 64; [L26] unsigned long int var_1_5 = 32; [L27] unsigned long int var_1_6 = 1908995780; [L28] unsigned long int var_1_7 = 0; [L29] double var_1_8 = 1.7; [L30] double var_1_9 = 1.7; [L31] signed short int var_1_10 = -32; [L32] signed short int var_1_11 = -16; [L76] isInitial = 1 [L77] FCALL initially() [L78] COND TRUE 1 [L79] FCALL updateLastVariables() [L80] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L57] var_1_6 = __VERIFIER_nondet_ulong() [L58] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L60] var_1_7 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_8=17/10, var_1_9=17/10] [L62] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L63] var_1_9 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L65] var_1_11 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L67] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-32, var_1_11=0, var_1_1=32, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=17/10] [L80] RET updateVariables() [L81] CALL step() [L36] COND TRUE \read(var_1_2) [L37] var_1_1 = ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_11 [L81] RET step() [L82] CALL, EXPR property() [L72-L73] return ((var_1_2 ? (var_1_1 == ((unsigned long int) ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))))) : (var_1_1 == ((unsigned long int) (3164264966u - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7)))))))) && (var_1_8 == ((double) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; [L82] RET, EXPR property() [L82] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_1=0, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=0, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.03ms. Allocated memory is still 178.3MB. Free memory was 150.4MB in the beginning and 139.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.54ms. Allocated memory is still 178.3MB. Free memory was 138.1MB in the beginning and 137.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.63ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 136.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.50ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 148.6MB in the end (delta: -12.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 784.16ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 90.1MB in the end (delta: 58.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 178.3MB. Free memory is still 90.1MB. 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 04:36:46,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/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_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/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_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/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_ea514c17-c806-44c4-8bf9-098ab616eccd/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 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:36:48,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:36:48,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:36:48,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:36:48,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:36:48,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:36:48,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:36:48,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:36:48,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:36:48,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:36:48,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:36:48,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:36:48,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:36:48,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:36:48,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:36:48,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:36:48,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:36:48,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:36:48,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:36:48,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:36:48,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:36:48,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:36:48,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:36:48,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:36:48,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:36:48,758 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:48,758 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:36:48,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:36:48,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:36:48,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:36:48,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:36:48,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:36:48,761 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:36:48,761 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:48,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:36:48,761 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:36:48,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:36:48,762 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_ea514c17-c806-44c4-8bf9-098ab616eccd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2023-12-03 04:36:49,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:36:49,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:36:49,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:36:49,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:36:49,083 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:36:49,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-12-03 04:36:51,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:36:52,085 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:36:52,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-12-03 04:36:52,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data/92bc3a341/342360cca6f2443fa0658c424f72eb20/FLAG42aa02587 [2023-12-03 04:36:52,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/data/92bc3a341/342360cca6f2443fa0658c424f72eb20 [2023-12-03 04:36:52,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:36:52,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:36:52,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:36:52,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:36:52,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:36:52,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7753c62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52, skipping insertion in model container [2023-12-03 04:36:52,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:36:52,300 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_ea514c17-c806-44c4-8bf9-098ab616eccd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-12-03 04:36:52,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:36:52,345 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:36:52,358 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_ea514c17-c806-44c4-8bf9-098ab616eccd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-12-03 04:36:52,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:36:52,390 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:36:52,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52 WrapperNode [2023-12-03 04:36:52,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:36:52,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:36:52,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:36:52,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:36:52,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,434 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-12-03 04:36:52,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:36:52,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:36:52,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:36:52,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:36:52,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:36:52,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:36:52,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:36:52,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:36:52,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:36:52,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:36:52,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:36:52,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:36:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:36:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:36:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:36:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:36:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:36:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:36:52,633 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:36:52,636 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:36:52,816 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:36:52,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:36:52,888 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:36:52,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:52 BoogieIcfgContainer [2023-12-03 04:36:52,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:36:52,890 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:36:52,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:36:52,900 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:36:52,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:36:52" (1/1) ... [2023-12-03 04:36:52,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:36:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-12-03 04:36:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-12-03 04:36:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:36:52,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:52,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:52,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:36:52,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:36:52,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:36:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:53,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:36:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:53,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:36:53,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:36:58,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:36:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:36:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:36:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:36:59,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:59,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:36:59,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:36:59,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:36:59,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:36:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:59,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:00,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:00,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:02,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:37:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:02,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:02,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:02,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:02,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:02,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:37:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:03,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:03,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:03,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:05,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:37:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:05,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:05,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:05,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:05,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:37:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:06,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:06,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:06,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:08,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:37:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:08,899 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:08,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:08,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:08,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:08,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:37:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:09,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:09,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:09,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:11,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:37:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:11,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:11,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:11,799 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:11,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:37:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:12,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:12,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:12,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:14,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 04:37:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:14,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:14,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:14,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:14,774 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:37:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:15,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:15,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:15,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:17,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:37:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:17,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:17,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:17,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:17,703 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:17,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:37:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:17,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:18,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:18,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:20,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:37:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:20,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:20,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:20,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:20,539 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:20,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:37:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:20,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:20,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:20,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:23,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:37:23,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:23,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:23,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:23,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:23,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:23,338 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:23,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:37:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:23,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:23,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:23,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:26,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:37:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:26,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:26,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:26,239 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:26,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:37:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:26,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:26,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:26,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:29,100 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:29,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:37:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:29,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:29,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:29,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:29,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:29,111 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:29,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:37:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:29,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:29,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:29,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:31,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 04:37:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:31,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:31,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:31,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:31,966 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:31,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:37:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:32,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:32,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:32,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:34,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:37:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:34,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:34,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:34,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:34,811 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:34,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:37:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:35,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:35,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:35,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:37,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:37:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:37,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:37,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:37,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:37,822 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:37,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:37:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:38,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:38,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:38,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:40,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 04:37:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:40,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:40,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:40,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:40,645 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:40,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:37:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:40,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:41,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:41,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:43,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:37:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:43,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:43,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:43,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:43,633 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:37:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:43,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:43,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:43,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:46,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:37:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:46,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:46,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:46,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:46,553 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:46,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:37:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:46,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:46,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:46,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:49,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:37:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:49,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:49,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:49,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:49,414 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:49,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:37:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:49,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:49,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:49,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:52,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 04:37:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:52,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:52,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:52,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:52,444 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:52,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:37:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:52,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:52,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:52,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:56,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:37:56,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:56,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:56,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:56,120 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:56,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:37:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:56,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:56,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:56,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:37:59,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:37:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:37:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:37:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:37:59,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:59,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:37:59,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:37:59,591 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:37:59,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:37:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:59,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:37:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:59,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:37:59,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:03,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:38:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:03,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:03,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:03,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:03,134 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:03,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:38:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:03,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:03,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:03,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:06,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:38:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:06,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:06,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:06,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:06,580 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:06,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:38:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:06,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:07,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:07,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:09,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:38:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:09,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:09,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:09,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:09,576 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:09,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:38:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:09,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:09,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:09,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:12,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:38:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:12,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:12,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:12,437 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:38:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:12,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:12,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:12,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:15,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:38:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:15,309 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:15,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:15,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:15,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:15,310 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:15,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:38:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:15,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:15,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:15,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:18,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:38:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:18,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:18,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:18,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:18,183 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:18,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:38:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:18,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:18,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:18,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:21,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:38:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:21,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:21,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:21,009 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:21,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:38:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:21,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:21,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:21,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:23,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:38:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:23,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:23,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:23,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:23,905 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:23,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:38:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:24,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:24,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:24,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:26,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:38:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:26,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:26,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:26,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:26,730 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:26,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:38:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:27,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:27,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:27,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:29,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:38:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:29,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:29,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:29,510 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:29,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:38:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:29,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:29,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:29,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:32,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:32,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:32,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:32,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:32,366 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:32,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:38:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:32,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:32,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:32,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:35,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:35,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:35,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:35,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:35,175 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:35,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:38:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:35,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:35,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:35,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:37,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:38:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:37,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:37,974 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:37,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:38:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:38,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:38,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:38,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:40,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:38:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:40,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:40,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:40,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:40,768 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:40,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:38:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:41,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:41,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:41,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:43,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:38:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:43,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:43,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:43,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:43,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:43,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:43,594 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:38:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:43,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:43,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:43,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:46,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:38:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:46,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:46,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:46,375 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:46,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:38:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:46,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:46,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:46,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:49,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:38:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:49,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:49,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:49,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:49,211 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:49,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:38:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:49,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:49,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:49,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:51,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:38:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:51,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:52,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:52,000 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:52,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:38:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:52,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:52,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:52,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:54,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:38:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:54,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:54,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:54,814 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:54,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:38:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:55,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:55,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:55,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:38:57,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:38:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:38:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:38:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:38:57,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:57,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:57,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:57,609 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:57,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:38:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:57,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:57,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:38:57,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:00,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:39:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:00,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:00,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:00,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:00,739 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:00,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:39:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:01,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:01,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:01,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:04,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:04,050 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:04,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:04,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:04,051 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:04,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:39:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:04,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:04,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:04,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:07,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:39:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:07,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:07,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:07,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:07,474 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:07,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:39:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:07,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:07,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:07,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:10,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:39:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:10,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:10,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:10,992 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:10,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:39:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:11,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:11,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:11,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:14,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:39:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:14,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:14,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:14,541 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:14,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:39:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:14,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:14,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:14,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:17,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:39:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:17,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:17,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:17,535 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:17,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:39:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:17,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:17,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:17,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:20,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:39:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:20,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:20,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:20,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:20,335 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:20,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:39:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:20,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:20,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:20,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:23,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:39:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:23,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:23,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:23,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:23,157 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:23,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:39:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:23,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:23,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:23,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:25,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:39:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:25,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:25,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:25,962 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:25,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:39:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:26,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:26,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:26,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:28,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:39:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:28,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:28,791 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:28,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:39:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:29,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:29,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:29,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:31,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:39:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:31,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:31,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:31,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:31,617 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:31,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:39:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:31,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:31,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:31,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:34,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:39:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:34,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:34,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:34,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:34,404 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:34,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:39:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:34,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:34,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:34,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:37,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:39:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:37,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:37,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:37,248 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:37,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:39:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:37,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:37,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:37,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:40,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:39:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:40,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:40,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:40,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:40,030 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:39:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:40,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:40,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:40,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:42,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:39:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:42,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:42,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:42,840 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:42,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:39:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:43,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:43,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:43,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:45,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:39:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:45,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:45,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:45,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:45,667 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:45,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:39:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:45,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:45,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:45,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:48,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:39:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:48,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:48,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:48,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:48,481 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:48,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:39:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:48,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:48,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:48,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:51,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:51,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:51,291 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:51,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:39:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:51,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:51,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:51,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:54,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:39:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:54,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:54,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:54,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:54,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:54,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:54,078 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:54,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:39:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:54,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:54,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:54,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:56,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 04:39:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:56,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:56,848 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:56,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:39:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:57,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:57,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:57,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:39:59,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:39:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:39:59,664 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:39:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:39:59,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:59,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:59,665 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:59,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:39:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:59,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:59,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:39:59,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:02,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:40:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:02,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:02,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:02,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:02,498 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:02,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:40:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:02,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:02,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:02,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:05,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:40:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:05,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:05,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:05,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:05,385 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:05,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:40:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:05,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:05,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:05,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:08,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:40:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:08,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:08,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:08,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:08,692 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:08,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:40:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:09,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:09,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:09,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:12,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 04:40:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:12,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:12,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:12,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:12,160 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:12,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:40:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:12,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:12,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:12,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:15,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:40:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:15,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:15,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:15,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:15,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:15,644 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:15,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:40:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:15,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:16,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:16,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:19,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 04:40:19,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:19,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:19,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:19,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:19,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:19,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:19,037 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:19,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:40:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:19,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:19,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:19,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:22,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:40:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:22,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:22,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:22,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:22,696 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:22,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:40:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:23,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:23,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:23,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:25,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:40:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:25,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:25,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:25,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:25,648 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:25,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:40:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:25,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:25,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:25,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:28,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 04:40:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:28,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:28,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:28,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:28,466 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:28,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:40:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:28,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:28,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:28,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:31,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 04:40:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:31,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:31,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:31,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:31,200 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:31,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 04:40:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:31,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:31,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:31,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:34,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 04:40:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:34,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:34,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:34,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:34,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:34,060 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:34,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 04:40:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:34,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:34,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:34,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:36,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 04:40:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:36,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:36,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:36,883 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:36,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 04:40:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:37,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:37,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:37,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:39,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 04:40:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:39,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:39,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:39,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:39,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:39,709 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:39,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 04:40:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:39,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:39,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:39,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:42,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 04:40:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:42,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:42,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:42,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:42,493 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:42,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 04:40:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:42,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:42,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:42,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:45,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 04:40:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:45,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:45,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:45,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:45,273 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:45,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 04:40:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:45,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:45,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:45,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:48,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 04:40:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:48,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:48,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:48,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:48,125 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:48,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 04:40:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:48,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:48,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:48,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:50,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 04:40:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:50,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:50,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:50,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:50,947 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:50,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 04:40:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:51,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:51,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:51,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:53,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 04:40:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:53,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:53,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:53,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:53,703 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:53,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 04:40:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:53,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:54,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:54,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:56,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 04:40:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:56,518 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:56,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:56,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:56,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:56,520 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:56,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 04:40:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:56,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:56,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:56,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:40:59,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 04:40:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:40:59,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:40:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:40:59,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:59,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:59,309 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:59,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 04:40:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:59,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:59,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:40:59,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:02,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 04:41:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:02,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:02,140 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:02,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 04:41:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:02,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:02,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:02,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:04,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 04:41:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:04,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:04,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:04,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:04,936 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:04,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 04:41:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:05,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:05,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:05,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:07,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 04:41:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:07,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:07,727 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:07,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 04:41:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:07,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:08,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:08,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:10,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 04:41:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:10,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:10,540 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:10,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 04:41:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:10,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:10,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:10,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:13,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 04:41:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:13,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:13,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:13,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:13,385 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:13,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 04:41:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:13,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:13,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:13,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:16,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 04:41:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:16,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:16,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:16,207 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:16,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 04:41:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:16,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:16,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:16,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:19,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 04:41:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:19,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:19,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:19,054 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:19,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 04:41:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:19,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:19,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:19,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:21,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 04:41:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:21,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:21,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:21,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:21,862 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 04:41:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:22,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:22,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:22,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:24,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 04:41:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:24,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:24,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:24,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:24,685 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:24,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 04:41:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:24,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:24,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:24,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:27,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 04:41:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:27,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:27,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:27,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:27,545 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:27,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 04:41:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:27,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:27,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:27,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:30,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 04:41:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:30,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:30,385 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:30,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 04:41:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:30,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:30,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:30,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:33,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 04:41:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:33,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:33,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:33,164 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:33,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 04:41:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:33,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:33,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:33,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:35,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 04:41:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:35,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:35,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:35,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:35,983 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 04:41:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:36,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:36,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:36,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:38,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 04:41:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:38,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:38,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:38,825 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:38,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 04:41:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:39,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:39,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:39,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:41,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 04:41:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:41,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:41,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:41,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:41,713 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:41,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 04:41:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:41,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:42,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:42,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:44,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 04:41:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:44,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:44,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:44,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:44,574 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:44,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 04:41:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:44,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:44,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:44,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:47,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 04:41:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:47,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:47,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:47,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:47,475 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:47,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 04:41:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:47,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:47,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:47,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:50,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 04:41:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:50,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:50,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:50,397 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:50,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 04:41:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:50,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:50,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:50,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:53,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 04:41:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:53,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:53,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:53,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:53,358 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:53,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 04:41:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:53,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:53,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:53,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:56,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 04:41:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:56,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:56,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:56,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:56,254 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:56,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 04:41:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:56,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:56,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:56,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:41:59,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 04:41:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:41:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:41:59,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:41:59,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:59,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:59,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:59,279 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:59,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 04:41:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:59,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:59,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:41:59,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:02,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 04:42:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:02,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:02,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:02,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:02,200 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:02,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 04:42:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:02,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:02,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:02,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:05,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:05,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:05,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:05,093 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:05,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 04:42:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:05,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:05,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:05,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:07,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:08,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:08,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:08,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:08,004 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:08,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 04:42:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:08,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:08,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:08,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:10,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 04:42:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:10,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:10,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:10,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:10,986 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:10,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 04:42:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:11,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:11,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:11,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:13,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 04:42:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:13,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:13,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:13,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:13,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:13,795 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:13,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 04:42:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:14,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:14,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:14,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:16,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 04:42:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:16,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:16,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:16,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:16,709 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 04:42:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:16,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:17,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:17,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:19,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 04:42:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:19,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:19,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:19,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:19,567 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:19,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 04:42:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:19,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:19,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:19,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:22,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 04:42:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:22,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:22,393 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:22,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 04:42:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:22,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:22,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:22,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:25,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 04:42:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:25,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:25,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:25,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:25,230 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:25,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 04:42:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:25,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:25,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:25,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:28,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 04:42:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:28,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:28,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:28,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:28,216 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:28,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 04:42:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:28,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:28,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:28,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:31,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 04:42:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:31,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:31,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:31,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:31,130 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:31,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 04:42:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:31,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:31,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:31,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:33,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 04:42:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:33,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:33,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:33,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:33,988 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:33,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 04:42:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:34,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:34,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:34,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:36,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 04:42:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:36,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:36,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:36,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:36,856 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:36,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 04:42:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:37,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:37,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:37,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:39,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 04:42:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:39,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:39,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:39,766 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:39,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 04:42:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:40,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:40,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:40,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:42,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 04:42:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:42,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:42,582 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:42,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 04:42:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:42,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:42,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:42,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:45,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 04:42:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:45,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:45,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:45,488 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:45,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 04:42:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:45,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:45,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:45,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:48,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 04:42:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:48,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:48,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:48,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:48,436 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:48,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 04:42:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:48,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:48,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:48,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:51,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 04:42:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:51,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:51,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:51,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:51,299 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:51,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 04:42:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:51,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:51,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:51,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:54,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 04:42:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:54,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:54,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:54,087 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:54,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 04:42:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:54,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:54,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:54,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:56,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 04:42:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:56,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:56,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:56,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:56,879 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:56,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 04:42:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:57,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:57,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:42:57,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:42:59,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 04:42:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:42:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:42:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:42:59,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:59,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:59,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:59,713 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:59,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 04:42:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:59,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:00,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:00,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:02,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 04:43:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:02,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:02,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:02,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:02,481 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:02,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 04:43:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:02,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:02,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:02,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:05,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 04:43:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:05,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:05,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:05,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:05,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:05,250 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:05,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 04:43:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:05,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:05,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:05,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:08,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 04:43:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:08,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:08,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:08,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:08,052 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:08,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 04:43:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:08,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:10,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 04:43:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:10,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:10,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:10,883 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:10,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 04:43:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:11,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:13,722 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:43:13,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 04:43:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:13,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:13,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:13,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:13,729 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:13,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 04:43:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:13,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:14,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:14,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:16,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 04:43:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:16,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:16,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:16,582 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:16,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 04:43:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:16,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:19,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 04:43:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:19,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:19,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:19,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:19,426 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:19,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 04:43:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:19,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:19,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:19,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:22,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 04:43:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:22,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:22,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:22,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:22,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:22,241 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:22,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 04:43:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:22,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:22,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:22,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:25,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 04:43:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:25,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:25,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:25,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:25,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:25,091 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:25,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 04:43:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:25,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:25,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:25,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:27,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 04:43:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:27,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:27,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:27,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:27,980 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:27,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 04:43:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:28,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:28,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:28,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:30,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 04:43:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:30,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:30,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:30,883 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 04:43:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:31,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:31,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:31,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:33,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 04:43:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:33,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:33,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:33,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:33,727 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:33,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 04:43:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:33,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:34,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:34,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:36,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 04:43:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:36,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:36,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:36,526 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:36,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 04:43:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:36,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:36,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:36,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:39,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 04:43:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:39,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:39,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:39,379 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:39,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 04:43:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:39,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:39,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:39,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:42,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 04:43:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:42,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:42,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:42,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:42,269 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:42,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 04:43:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:42,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:42,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:42,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:45,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 04:43:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:45,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:45,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:45,158 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:45,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 04:43:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:45,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:45,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:45,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:47,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 04:43:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:47,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:47,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:47,958 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:47,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 04:43:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:48,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:48,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:48,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:50,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 04:43:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:50,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:50,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:50,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:50,787 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:50,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 04:43:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:51,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:51,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:51,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:53,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 04:43:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:53,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:53,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:53,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:53,612 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:53,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 04:43:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:53,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:53,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:53,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:56,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 04:43:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:56,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:56,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:56,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:56,539 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:56,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 04:43:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:56,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:56,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:56,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:43:59,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 04:43:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:43:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:43:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:43:59,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:59,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:59,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:59,391 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:59,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 04:43:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:59,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:59,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:43:59,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:02,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 04:44:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:02,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:02,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:02,255 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:02,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 04:44:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:02,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:02,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:02,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:05,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 04:44:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:05,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:05,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:05,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:05,115 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:05,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 04:44:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:05,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:05,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:05,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:07,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 04:44:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:07,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:07,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:07,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:07,973 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:07,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 04:44:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:08,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:08,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:08,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:11,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 04:44:11,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:11,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:11,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:11,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:11,050 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:11,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 04:44:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:11,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:11,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:11,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:13,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 04:44:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:13,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:13,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:13,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:13,894 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:13,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 04:44:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:14,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:14,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:14,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:16,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 04:44:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:16,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:16,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:16,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:16,772 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:16,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 04:44:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:17,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:17,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:17,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:19,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 04:44:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:19,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:19,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:19,745 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:19,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 04:44:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:20,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:20,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:20,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:22,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 04:44:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:22,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:22,917 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:22,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 04:44:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:23,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:23,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:23,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:25,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 04:44:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:25,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:25,709 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:25,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 04:44:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:25,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:25,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:25,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:28,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-03 04:44:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:28,831 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:28,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:28,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:28,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:28,833 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:28,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 04:44:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:29,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:29,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:29,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:31,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-03 04:44:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:31,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:31,840 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:31,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 04:44:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:32,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:32,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:32,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:34,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 04:44:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:34,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:34,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:34,910 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:34,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 04:44:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:35,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:35,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:35,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:37,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 04:44:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:37,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:37,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:37,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:37,989 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:37,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-03 04:44:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:38,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:38,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:38,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:41,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-03 04:44:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:41,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:41,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:41,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:41,098 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:41,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-03 04:44:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:41,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:41,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:41,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:44,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-03 04:44:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:44,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:44,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:44,146 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:44,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-03 04:44:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:44,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:44,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:44,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:47,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-03 04:44:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:47,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:47,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:47,241 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-03 04:44:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:47,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:47,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:47,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:50,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-03 04:44:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:50,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:50,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:50,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:50,243 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:50,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-03 04:44:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:50,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:50,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:50,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:53,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-03 04:44:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:53,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:53,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:53,344 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:53,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-03 04:44:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:53,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:53,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:53,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:56,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-03 04:44:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:56,440 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:56,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:56,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:56,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:56,441 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:56,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-03 04:44:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:56,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:56,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:56,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:59,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-03 04:44:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:44:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:44:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:44:59,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:59,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:59,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:59,312 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:59,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-03 04:44:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:59,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:59,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:44:59,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:02,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-03 04:45:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:02,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:02,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:02,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:02,358 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-03 04:45:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:02,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:02,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:02,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:05,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-03 04:45:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:05,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:05,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:05,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:05,331 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:05,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-03 04:45:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:05,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:05,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:05,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:08,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-03 04:45:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:08,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:08,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:08,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:08,642 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:08,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-03 04:45:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:08,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:11,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-03 04:45:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:11,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:11,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:11,691 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-03 04:45:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:11,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:11,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:11,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:14,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-03 04:45:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:14,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:14,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:14,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:14,541 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:14,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-03 04:45:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:14,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:14,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:14,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:17,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-03 04:45:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:17,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:17,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:17,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:17,827 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:17,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-03 04:45:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:18,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:18,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:18,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:20,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-03 04:45:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:20,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:20,939 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:20,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:20,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:20,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:20,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:20,940 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:20,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-03 04:45:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:21,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:24,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-03 04:45:24,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:24,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:24,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:24,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:24,077 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:24,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-03 04:45:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:24,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:24,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:24,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:27,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-03 04:45:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:27,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:27,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:27,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:27,124 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:27,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-03 04:45:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:27,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:27,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:27,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:30,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-03 04:45:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:30,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:30,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:30,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:30,523 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:30,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-03 04:45:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:30,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:30,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:30,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:33,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-03 04:45:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:33,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:33,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:33,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:33,780 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:33,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-03 04:45:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:34,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:34,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:34,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:36,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-03 04:45:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:36,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:36,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:36,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:36,848 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:36,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-03 04:45:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:37,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:37,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:37,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:39,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:39,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:39,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:39,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:39,765 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:39,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-03 04:45:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:40,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:40,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:40,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:42,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-03 04:45:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:42,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:42,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:42,786 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:42,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-03 04:45:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:43,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:45,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-03 04:45:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:45,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:45,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:45,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:45,871 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:45,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-03 04:45:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:46,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:46,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:46,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:49,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-03 04:45:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:49,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:49,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:49,591 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:49,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-03 04:45:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:49,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:50,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:50,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:53,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-03 04:45:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:53,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:53,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:53,269 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:53,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-03 04:45:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:53,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:53,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:53,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:45:57,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-03 04:45:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:45:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:45:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:45:57,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:57,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:57,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:57,229 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:57,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-03 04:45:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:57,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:57,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:45:57,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:01,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-03 04:46:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:01,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:01,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:01,211 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:01,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-03 04:46:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:01,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:01,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:01,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:04,908 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:04,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-03 04:46:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:04,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:04,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:04,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:04,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:04,916 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-03 04:46:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:05,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:05,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:05,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:08,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-03 04:46:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:08,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:08,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:08,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:08,037 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:08,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-03 04:46:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:08,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:08,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:08,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:10,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-03 04:46:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:10,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:10,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:10,832 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:10,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-03 04:46:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:11,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:11,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:11,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:13,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-03 04:46:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:13,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:13,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:13,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:13,584 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:13,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-03 04:46:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:13,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:13,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:13,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:16,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-03 04:46:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:16,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:16,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:16,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:16,361 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:16,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-03 04:46:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:16,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:16,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:16,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:19,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-03 04:46:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:19,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:19,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:19,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:19,431 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:19,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-03 04:46:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:19,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:19,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:19,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:22,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-03 04:46:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:22,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:22,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:22,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:22,356 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:22,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-03 04:46:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:22,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:22,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:22,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:25,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2023-12-03 04:46:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:25,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:25,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:25,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:25,276 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:25,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-03 04:46:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:25,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:25,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:25,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:28,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-03 04:46:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:28,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:28,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:28,143 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:28,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-03 04:46:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:28,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:28,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:28,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:30,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-03 04:46:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:30,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:30,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:30,979 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:30,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-03 04:46:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:31,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:31,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:31,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:34,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-03 04:46:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:34,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:34,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:34,018 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:34,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-03 04:46:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:34,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:34,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:34,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:36,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2023-12-03 04:46:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:36,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:36,961 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:36,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-03 04:46:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:37,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:37,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:37,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:39,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2023-12-03 04:46:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:39,806 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:39,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:39,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:39,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:39,807 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:39,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-03 04:46:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:40,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:40,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:40,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:42,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-03 04:46:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:42,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:42,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:42,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:42,535 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:42,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-03 04:46:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:42,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:42,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:42,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:45,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-03 04:46:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:45,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:45,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:45,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:45,323 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-03 04:46:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:45,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:45,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:45,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:48,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-03 04:46:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:48,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:48,215 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:48,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-03 04:46:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:48,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:48,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:48,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:50,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2023-12-03 04:46:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:50,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:50,939 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:50,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-03 04:46:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:51,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:51,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:51,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:53,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-03 04:46:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:53,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:53,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:53,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:53,693 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:53,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-03 04:46:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:53,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:53,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:53,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:56,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-03 04:46:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:56,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:56,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:56,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:56,515 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:56,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-03 04:46:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:56,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:56,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:56,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:46:59,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2023-12-03 04:46:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:46:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:46:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:46:59,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:59,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:59,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:59,263 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:59,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-03 04:46:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:59,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:59,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:46:59,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:01,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2023-12-03 04:47:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:01,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:01,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:01,994 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:01,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-03 04:47:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:02,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:02,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:02,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:04,810 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:04,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2023-12-03 04:47:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:04,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:04,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:04,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:04,819 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:04,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-03 04:47:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:05,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:05,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:05,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:07,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2023-12-03 04:47:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:07,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:07,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:07,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:07,635 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:07,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-03 04:47:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:07,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:07,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:07,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:10,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-03 04:47:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:10,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:10,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:10,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:10,455 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:10,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-03 04:47:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:10,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:10,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:10,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:13,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2023-12-03 04:47:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:13,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:13,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:13,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:13,178 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:13,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-03 04:47:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:13,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:13,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:13,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:16,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-03 04:47:16,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:16,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:16,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:16,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:16,035 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:16,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-03 04:47:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:16,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:16,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:16,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:18,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-03 04:47:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:18,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:18,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:18,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:18,808 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:18,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-03 04:47:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:19,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:19,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:19,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:21,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-03 04:47:21,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:21,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:21,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:21,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:21,553 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:21,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-03 04:47:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:21,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:21,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:21,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:24,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-03 04:47:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:24,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:24,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:24,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:24,549 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:24,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-03 04:47:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:24,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:24,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:24,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:27,267 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:27,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-03 04:47:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:27,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:27,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:27,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:27,276 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:27,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-03 04:47:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:27,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:27,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:27,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:30,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-03 04:47:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:30,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:30,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:30,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:30,025 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:30,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-03 04:47:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:30,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:30,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:30,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:32,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2023-12-03 04:47:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:32,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:32,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:32,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:32,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:32,773 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:32,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-03 04:47:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:33,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:33,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:33,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:35,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-03 04:47:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:35,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:35,544 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:35,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-03 04:47:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:35,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:35,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:35,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:38,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2023-12-03 04:47:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:38,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:38,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:38,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:38,401 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:38,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-03 04:47:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:38,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:38,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:38,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:41,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-03 04:47:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:41,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:41,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:41,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:41,154 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:41,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-03 04:47:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:41,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:41,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:41,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:44,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2023-12-03 04:47:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:44,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:44,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:44,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:44,031 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:44,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-03 04:47:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:44,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:44,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:44,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:46,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2023-12-03 04:47:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:46,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:46,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:46,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:46,712 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:46,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-03 04:47:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:46,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:47,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:47,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:49,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-03 04:47:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:49,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:49,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:49,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:49,456 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:49,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-03 04:47:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:49,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:49,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:49,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:52,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2023-12-03 04:47:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:52,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:52,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:52,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:52,195 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:52,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-03 04:47:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:52,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:52,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:52,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:54,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2023-12-03 04:47:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:54,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:54,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:54,930 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:54,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-03 04:47:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:55,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:55,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:55,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:47:57,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-03 04:47:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:47:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:47:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:47:57,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:57,710 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:57,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-03 04:47:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:57,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:57,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:47:57,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:00,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-03 04:48:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:00,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:00,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:00,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:00,465 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:00,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-03 04:48:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:00,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:00,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:00,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:03,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-03 04:48:03,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:03,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:03,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:03,267 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:03,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-03 04:48:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:03,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:03,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:03,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:06,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-03 04:48:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:06,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:06,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:06,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:06,040 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:06,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-03 04:48:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:06,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:06,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:06,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:08,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2023-12-03 04:48:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:08,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:08,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:08,794 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:08,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-03 04:48:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:09,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:09,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:09,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:11,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-03 04:48:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:11,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:11,555 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:11,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-03 04:48:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:11,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:11,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:11,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:14,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-03 04:48:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:14,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:14,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:14,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:14,304 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:14,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-03 04:48:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:14,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:14,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:14,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:17,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-03 04:48:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:17,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:17,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:17,087 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:17,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-03 04:48:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:17,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:17,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:17,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:19,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2023-12-03 04:48:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:19,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:19,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:19,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:19,836 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:19,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-03 04:48:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:20,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:20,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:20,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:22,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-03 04:48:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:22,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:22,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:22,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:22,528 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:22,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-03 04:48:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:22,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:22,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:22,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:25,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2023-12-03 04:48:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:25,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:25,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:25,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:25,323 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:25,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-03 04:48:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:25,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:25,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:25,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:28,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2023-12-03 04:48:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:28,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:28,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:28,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:28,250 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:28,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-03 04:48:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:28,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:28,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:28,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:31,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2023-12-03 04:48:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:31,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:31,123 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:31,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-03 04:48:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:31,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:31,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:31,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:33,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-03 04:48:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:33,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:33,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:33,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:33,869 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:33,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-03 04:48:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:34,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:34,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:34,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:36,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-03 04:48:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:36,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:36,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:36,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:36,756 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-03 04:48:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:37,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:37,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:37,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:39,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-03 04:48:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:39,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:39,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:39,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:39,620 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:39,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-03 04:48:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:39,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:39,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:39,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:42,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-03 04:48:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:42,522 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:42,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:42,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:42,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:42,523 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:42,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-03 04:48:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:42,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:42,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:42,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:45,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-03 04:48:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:45,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:45,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:45,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:45,334 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:45,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-03 04:48:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:45,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:45,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:45,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:48,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-03 04:48:48,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:48,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:48,119 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:48,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-03 04:48:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:48,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:48,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:48,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:50,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-03 04:48:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:50,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:50,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:50,995 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:50,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-03 04:48:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:51,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:51,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:51,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:53,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-03 04:48:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:53,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:53,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:53,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:53,776 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:53,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-03 04:48:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:54,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:54,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:54,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:56,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2023-12-03 04:48:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:56,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:56,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:56,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:56,686 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:56,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-03 04:48:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:56,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:57,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:57,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:48:59,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-03 04:48:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:48:59,597 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:48:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:48:59,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:59,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:59,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:59,599 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:59,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-03 04:48:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:59,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:59,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:48:59,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:02,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2023-12-03 04:49:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:02,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:02,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:02,453 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:02,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-03 04:49:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:02,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:02,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:02,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:05,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2023-12-03 04:49:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:05,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:05,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:05,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:05,324 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:05,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-03 04:49:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:05,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:05,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:05,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:08,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-03 04:49:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:08,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:08,179 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:08,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-03 04:49:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:08,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:08,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:08,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:11,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2023-12-03 04:49:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:11,098 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:11,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:11,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:11,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:11,099 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:11,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-03 04:49:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:11,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:11,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:11,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:13,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-03 04:49:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:14,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:14,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:14,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:14,005 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:14,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-03 04:49:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:14,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:14,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:14,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:16,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-03 04:49:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:16,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:16,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:16,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:16,904 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:16,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-03 04:49:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:17,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:17,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:17,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:20,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-03 04:49:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:20,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:20,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:20,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:20,137 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:20,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-03 04:49:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:20,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:20,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:20,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:23,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2023-12-03 04:49:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:23,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:23,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:23,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:23,189 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:23,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-03 04:49:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:23,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:23,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:23,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:26,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-03 04:49:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:26,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:26,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:26,178 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-03 04:49:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:26,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:26,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:26,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:29,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-03 04:49:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:29,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:29,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:29,129 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:29,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-03 04:49:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:29,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:29,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:29,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:32,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2023-12-03 04:49:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:32,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:32,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:32,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:32,164 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:32,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-03 04:49:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:32,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:32,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:32,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:35,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2023-12-03 04:49:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:35,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:35,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:35,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:35,144 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:35,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-03 04:49:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:35,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:35,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:35,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:38,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2023-12-03 04:49:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:38,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:38,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:38,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:38,156 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:38,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-03 04:49:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:38,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:38,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:38,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:41,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-03 04:49:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:41,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:41,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:41,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:41,193 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:41,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-03 04:49:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:41,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:41,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:41,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:44,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-03 04:49:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:44,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:44,175 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:44,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-03 04:49:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:44,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:44,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:44,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:47,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-03 04:49:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:47,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:47,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:47,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:47,021 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:47,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-03 04:49:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:47,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:47,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:47,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:49,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-03 04:49:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:49,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:49,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:49,951 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:49,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-03 04:49:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:50,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:50,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:50,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:52,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-03 04:49:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:52,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:52,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:52,878 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:52,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-03 04:49:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:53,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:53,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:53,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:55,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2023-12-03 04:49:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:55,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:55,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:55,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:55,798 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:55,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-03 04:49:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:56,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:56,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:56,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:49:58,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-03 04:49:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:49:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:49:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:49:58,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:58,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:58,773 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:58,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-03 04:49:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:59,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:59,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:49:59,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:01,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-03 04:50:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:01,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:01,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:01,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:01,671 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:01,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-03 04:50:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:01,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:01,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:01,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:04,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-03 04:50:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:04,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:04,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:04,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:04,520 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:04,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-03 04:50:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:04,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:04,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:04,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:07,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-03 04:50:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:07,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:07,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:07,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:07,319 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:07,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-03 04:50:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:07,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:07,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:07,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:10,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2023-12-03 04:50:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:10,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:10,139 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:10,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:10,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:10,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:10,140 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:10,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-03 04:50:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:10,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:10,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:10,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:12,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2023-12-03 04:50:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:12,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:12,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:12,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:12,913 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:12,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-03 04:50:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:13,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:13,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:13,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:15,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-03 04:50:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:15,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:15,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:15,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:15,708 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:15,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-03 04:50:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:15,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:16,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:16,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:18,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-03 04:50:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:18,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:18,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:18,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:18,544 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:18,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-03 04:50:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:18,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:18,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:18,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:21,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-03 04:50:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:21,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:21,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:21,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:21,387 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:21,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-03 04:50:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:21,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:21,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:21,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:24,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2023-12-03 04:50:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:24,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:24,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:24,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:24,167 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:24,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-03 04:50:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:24,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:24,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:24,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:26,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-03 04:50:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:26,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:26,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:26,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:26,949 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:26,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-03 04:50:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:27,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:27,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:27,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:29,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-03 04:50:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:29,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:29,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:29,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:29,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:29,860 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:29,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-03 04:50:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:30,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:30,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:30,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:32,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-03 04:50:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:32,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:32,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:32,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:32,721 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:32,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-03 04:50:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:32,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:33,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:33,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:35,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2023-12-03 04:50:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:35,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:35,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:35,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:35,648 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:35,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-03 04:50:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:35,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:35,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:35,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:38,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-03 04:50:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:38,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:38,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:38,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:38,561 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:38,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-03 04:50:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:38,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:38,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:38,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:41,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-03 04:50:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:41,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:41,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:41,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:41,421 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:41,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-03 04:50:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:41,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:41,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:41,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:44,263 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:44,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-03 04:50:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:44,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:44,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:44,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:44,271 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:44,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-03 04:50:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:44,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:44,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:44,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:47,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2023-12-03 04:50:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:47,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:47,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:47,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:47,117 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:47,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-03 04:50:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:47,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:47,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:47,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:49,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2023-12-03 04:50:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:50:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:50:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:49,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:49,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:49,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:49,895 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:49,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-03 04:50:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:50,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:50,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:50:50,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:52,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2023-12-03 04:50:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-12-03 04:50:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-12-03 04:50:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:54,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:54,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:54,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:54,801 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:54,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-03 04:50:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:55,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:55,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:55,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:57,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-03 04:50:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-12-03 04:50:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-12-03 04:50:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:57,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:57,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:57,408 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-03 04:50:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:57,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:57,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:50:57,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:50:59,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-03 04:50:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-12-03 04:50:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-12-03 04:50:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:50:59,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:59,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:59,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:59,828 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:59,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-03 04:51:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:00,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:00,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:00,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:02,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2023-12-03 04:51:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-12-03 04:51:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-12-03 04:51:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:02,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:02,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:02,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:02,259 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:02,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-03 04:51:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:02,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:02,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:02,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:04,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2023-12-03 04:51:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:05,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:05,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:05,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:05,930 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:05,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-03 04:51:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:06,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:06,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:06,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:08,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2023-12-03 04:51:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:08,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:08,375 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:08,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-03 04:51:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:08,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:08,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:08,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:10,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2023-12-03 04:51:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:10,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:10,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:10,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:10,799 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:10,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-03 04:51:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:11,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:11,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:11,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:13,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2023-12-03 04:51:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:13,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:13,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:13,176 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:13,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-03 04:51:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:13,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:13,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:13,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:15,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-03 04:51:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:15,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:15,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:15,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:15,508 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:15,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-03 04:51:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:15,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:15,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:15,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:17,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-03 04:51:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:17,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:17,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:17,883 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:17,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-03 04:51:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:18,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:18,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:18,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:51:20,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-03 04:51:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-12-03 04:51:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-03 04:51:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:51:20,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:20,358 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:20,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea514c17-c806-44c4-8bf9-098ab616eccd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-03 04:51:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:20,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:20,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:51:20,684 INFO L285 TraceCheckSpWp]: Computing forward predicates...