./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/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_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/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_fdae6e89-92e0-4bb3-8ce3-806619126a14/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 e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:40:11,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:40:11,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:40:11,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:40:11,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:40:11,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:40:11,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:40:11,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:40:11,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:40:11,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:40:11,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:40:11,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:40:11,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:40:11,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:40:11,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:40:11,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:40:11,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:40:11,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:40:11,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:40:11,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:40:11,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:40:11,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:40:11,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:40:11,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:40:11,645 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:40:11,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:40:11,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:11,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:40:11,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:40:11,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:40:11,647 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:40:11,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:40:11,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:40:11,648 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_fdae6e89-92e0-4bb3-8ce3-806619126a14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2023-12-02 22:40:11,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:40:11,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:40:11,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:40:11,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:40:11,925 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:40:11,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-12-02 22:40:14,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:40:14,796 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:40:14,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-12-02 22:40:14,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data/f610c0261/d3faea64fb314009b00a3bf8f6b97ed7/FLAG97ce8850e [2023-12-02 22:40:14,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data/f610c0261/d3faea64fb314009b00a3bf8f6b97ed7 [2023-12-02 22:40:14,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:40:14,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:40:14,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:14,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:40:14,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:40:14,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:14" (1/1) ... [2023-12-02 22:40:14,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233ff27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:14, skipping insertion in model container [2023-12-02 22:40:14,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:14" (1/1) ... [2023-12-02 22:40:14,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:40:14,991 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_fdae6e89-92e0-4bb3-8ce3-806619126a14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-12-02 22:40:15,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:15,027 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:40:15,040 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_fdae6e89-92e0-4bb3-8ce3-806619126a14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-12-02 22:40:15,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:15,069 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:40:15,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15 WrapperNode [2023-12-02 22:40:15,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:15,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:15,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:40:15,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:40:15,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,106 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2023-12-02 22:40:15,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:15,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:40:15,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:40:15,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:40:15,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:40:15,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:40:15,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:40:15,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:40:15,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:15,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:40:15,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:40:15,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:40:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:40:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:40:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:40:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:40:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:40:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:40:15,267 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:40:15,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:40:15,444 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:40:15,524 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:40:15,524 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:40:15,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:15 BoogieIcfgContainer [2023-12-02 22:40:15,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:40:15,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:40:15,527 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:40:15,536 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:40:15,536 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:15" (1/1) ... [2023-12-02 22:40:15,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:40:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 22:40:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 22:40:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:15,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:15,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:40:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:15,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:40:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:15,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:40:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:16,035 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:40:16,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:40:16 ImpRootNode [2023-12-02 22:40:16,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:40:16,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:40:16,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:40:16,077 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:40:16,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:15" (3/4) ... [2023-12-02 22:40:16,080 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:40:16,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:40:16,081 INFO L158 Benchmark]: Toolchain (without parser) took 1260.66ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 56.2MB in the end (delta: 60.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-12-02 22:40:16,082 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:40:16,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.17ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:40:16,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.12ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:40:16,084 INFO L158 Benchmark]: Boogie Preprocessor took 23.71ms. Allocated memory is still 155.2MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:40:16,084 INFO L158 Benchmark]: RCFGBuilder took 394.90ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 84.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:40:16,085 INFO L158 Benchmark]: CodeCheck took 548.94ms. Allocated memory is still 155.2MB. Free memory was 84.2MB in the beginning and 56.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 22:40:16,085 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 155.2MB. Free memory was 56.9MB in the beginning and 56.2MB in the end (delta: 720.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:40:16,089 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_3 = 64; [L24] signed long int var_1_4 = 5; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 0; [L29] float var_1_9 = 256.75; [L30] float var_1_10 = 99.2; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L46] var_1_3 = __VERIFIER_nondet_ushort() [L47] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L48] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L49] var_1_4 = __VERIFIER_nondet_long() [L50] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L51] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L52] var_1_5 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L54] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L55] var_1_6 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L57] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L58] var_1_7 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L60] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L75] RET updateVariables() [L76] CALL step() [L34] var_1_8 = var_1_3 [L35] var_1_9 = var_1_10 [L36] signed long int stepLocal_0 = 10 - var_1_4; [L37] COND FALSE !((var_1_8 + var_1_8) > stepLocal_0) [L40] COND TRUE \read(var_1_5) [L41] var_1_1 = (var_1_6 || var_1_7) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return ((((var_1_8 + var_1_8) > (10 - var_1_4)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : 1)) && (var_1_8 == ((unsigned long int) var_1_3))) && (var_1_9 == ((float) var_1_10)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_1=0, var_1_3=0, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_1=0, var_1_3=0, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.17ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.12ms. Allocated memory is still 155.2MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.71ms. Allocated memory is still 155.2MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.90ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 84.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 548.94ms. Allocated memory is still 155.2MB. Free memory was 84.2MB in the beginning and 56.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 155.2MB. Free memory was 56.9MB in the beginning and 56.2MB in the end (delta: 720.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:40:16,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/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_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/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_fdae6e89-92e0-4bb3-8ce3-806619126a14/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 e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:40:18,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:40:18,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:40:18,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:40:18,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:40:18,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:40:18,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:40:18,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:40:18,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:40:18,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:40:18,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:40:18,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:40:18,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:40:18,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:40:18,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:40:18,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:40:18,183 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:40:18,183 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:40:18,184 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:40:18,184 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:40:18,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:40:18,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:40:18,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:40:18,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:40:18,187 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:40:18,187 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:18,187 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:40:18,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:40:18,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:18,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:40:18,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:40:18,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:40:18,190 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:40:18,191 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:18,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:40:18,191 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:40:18,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:40:18,192 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_fdae6e89-92e0-4bb3-8ce3-806619126a14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2023-12-02 22:40:18,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:40:18,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:40:18,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:40:18,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:40:18,513 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:40:18,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-12-02 22:40:21,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:40:21,511 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:40:21,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2023-12-02 22:40:21,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data/93823774a/fefc2c69b09e41bb95bb609ec4941033/FLAGe19233cb2 [2023-12-02 22:40:21,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/data/93823774a/fefc2c69b09e41bb95bb609ec4941033 [2023-12-02 22:40:21,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:40:21,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:40:21,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:21,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:40:21,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:40:21,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfa6059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21, skipping insertion in model container [2023-12-02 22:40:21,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,570 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:40:21,723 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_fdae6e89-92e0-4bb3-8ce3-806619126a14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-12-02 22:40:21,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:21,765 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:40:21,778 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_fdae6e89-92e0-4bb3-8ce3-806619126a14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2023-12-02 22:40:21,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:21,808 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:40:21,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21 WrapperNode [2023-12-02 22:40:21,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:21,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:21,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:40:21,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:40:21,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,852 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-12-02 22:40:21,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:21,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:40:21,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:40:21,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:40:21,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:40:21,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:40:21,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:40:21,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:40:21,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:21" (1/1) ... [2023-12-02 22:40:21,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:21,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:40:21,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:40:21,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:40:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:40:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:40:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:40:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:40:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:40:21,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:40:22,062 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:40:22,064 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:40:22,220 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:40:22,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:40:22,293 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:40:22,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:22 BoogieIcfgContainer [2023-12-02 22:40:22,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:40:22,295 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:40:22,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:40:22,305 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:40:22,306 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:22" (1/1) ... [2023-12-02 22:40:22,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:40:22,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 22:40:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 22:40:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:22,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:22,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:22,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:40:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:22,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:22,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:22,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:25,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:40:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-02 22:40:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-02 22:40:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:25,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:25,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:25,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:25,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:40:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:25,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:25,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:25,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:27,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:40:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-02 22:40:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-02 22:40:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:27,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:27,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:27,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:27,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:27,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:40:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:27,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:27,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:27,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:28,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:40:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-02 22:40:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-02 22:40:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:28,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:28,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:28,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:28,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:28,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:40:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:28,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:28,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:28,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:29,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:40:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-02 22:40:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-02 22:40:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:29,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:29,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:29,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:29,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:40:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:30,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:30,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:30,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:31,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:40:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:31,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:31,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:31,471 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:31,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:40:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:31,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:31,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:31,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:32,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:40:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:32,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:32,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:32,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:32,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:32,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:40:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:32,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:32,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:32,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:33,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:40:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:33,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:33,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:33,804 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:40:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:34,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:34,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:34,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:34,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:40:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:34,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:34,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:34,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:34,905 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:34,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:40:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:35,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:35,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:35,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:36,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:40:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:36,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:36,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:36,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:36,123 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:36,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:40:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:36,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:36,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:36,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:37,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 22:40:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:37,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:37,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:37,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:37,274 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:37,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:40:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:37,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:37,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:37,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:38,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:40:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:38,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:38,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:38,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:38,452 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:38,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:40:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:38,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:38,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:38,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:39,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:40:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:39,631 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:39,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:39,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:39,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:39,633 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:39,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:40:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:39,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:39,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:39,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:40,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:40:40,812 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:40:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:40,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:40,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:40,820 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:40:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:41,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:41,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:41,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:41,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:40:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:41,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:41,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:41,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:41,922 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:41,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:40:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:42,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:42,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:42,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:43,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:40:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:43,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:43,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:43,022 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:43,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:40:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:43,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:43,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:43,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:44,115 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:40:44,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:40:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:44,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:44,155 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:44,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:44,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:44,157 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:44,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:40:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:44,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:44,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:44,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:45,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:40:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:45,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:45,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:45,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:45,235 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:40:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:45,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:45,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:45,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:46,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:40:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:46,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:46,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:46,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:46,311 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:40:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:46,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:46,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:46,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:47,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:40:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:47,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:47,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:47,414 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:47,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:40:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:47,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:47,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:47,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:48,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 22:40:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:48,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:48,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:48,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:48,554 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:48,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:40:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:48,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:48,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:48,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:49,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:40:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:49,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:49,623 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:49,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:40:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:49,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:49,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:49,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:50,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:40:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:50,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:50,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:50,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:50,670 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:50,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:40:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:50,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:50,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:50,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:51,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:40:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:51,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:51,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:51,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:51,789 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:51,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:40:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:52,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:52,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:52,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:52,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:52,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 22:40:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:52,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:52,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:52,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:52,932 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:52,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:40:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:53,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:53,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:53,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:53,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:40:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:53,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:53,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:53,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:53,994 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:53,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:40:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:54,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:54,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:54,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:55,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:40:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:55,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:55,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:55,057 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:55,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:40:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:55,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:55,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:55,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:56,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-02 22:40:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:56,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:56,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:56,119 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:56,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:40:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:56,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:56,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:40:56,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:57,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:40:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:57,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:57,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:57,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:57,234 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:57,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:40:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:57,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:57,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:57,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:58,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:40:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:58,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:58,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:58,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:58,343 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:58,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:40:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:58,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:58,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:58,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:40:59,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:40:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:40:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:40:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:40:59,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:59,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:40:59,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:40:59,442 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:40:59,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:40:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:59,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:40:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:59,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:40:59,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:00,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:00,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:00,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:00,499 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:00,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:41:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:00,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:00,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:00,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:01,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:41:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:01,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:01,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:01,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:01,551 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:01,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:41:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:01,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:01,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:01,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:02,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:41:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:02,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:02,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:02,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:02,696 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:02,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:41:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:02,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:03,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:03,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:03,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:03,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:03,806 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:03,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:41:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:04,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:04,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:04,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:04,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:41:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:04,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:04,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:04,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:04,863 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:04,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:41:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:05,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:05,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:05,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:05,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:41:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:05,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:05,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:05,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:05,948 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:05,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:41:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:06,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:06,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:06,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:07,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:41:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:07,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:07,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:07,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:07,085 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:07,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:41:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:07,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:07,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:07,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:08,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:41:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:08,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:08,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:08,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:08,247 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:08,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:41:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:08,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:08,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:08,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:09,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:09,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:09,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:09,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:09,347 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:09,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:41:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:09,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:09,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:09,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:10,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:41:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:10,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:10,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:10,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:10,412 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:10,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:41:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:10,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:10,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:10,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:11,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:41:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:11,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:11,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:11,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:11,602 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:11,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:41:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:11,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:11,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:11,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:12,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:41:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:12,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:12,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:12,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:12,689 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:12,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:41:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:12,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:12,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:12,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:13,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:41:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:13,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:13,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:13,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:13,869 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:13,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:41:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:14,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:14,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:14,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:14,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:14,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:14,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:14,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:14,912 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:14,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:41:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:15,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:15,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:15,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:16,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:41:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:16,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:16,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:16,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:16,046 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:16,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:41:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:16,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:16,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:16,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:17,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:41:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:17,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:17,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:17,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:17,132 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:17,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:41:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:17,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:17,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:17,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:18,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:41:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:18,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:18,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:18,291 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:18,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:41:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:18,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:18,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:18,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:19,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:41:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:19,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:19,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:19,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:19,359 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:19,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:41:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:19,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:19,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:19,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:20,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:20,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:20,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:20,429 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:41:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:20,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:20,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:20,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:21,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:41:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:21,574 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:21,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:21,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:21,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:21,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:21,576 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:21,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:41:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:21,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:21,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:21,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:22,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:22,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:22,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:22,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:22,652 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:22,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:41:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:22,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:22,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:22,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:23,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:41:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:23,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:23,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:23,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:23,710 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:23,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:41:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:23,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:23,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:23,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:24,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:41:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:24,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:24,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:24,777 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:24,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:41:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:25,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:25,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:25,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:25,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:41:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:25,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:25,926 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:41:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:26,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:26,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:26,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:26,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:41:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:26,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:26,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:26,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:26,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:26,988 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:26,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:41:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:27,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:27,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:27,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:28,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:28,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:28,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:28,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:28,056 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:28,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:41:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:28,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:28,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:28,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:29,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:41:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:29,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:29,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:29,081 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:29,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:41:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:29,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:29,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:29,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:30,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:41:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:30,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:30,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:30,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:30,264 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:30,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:41:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:30,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:30,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:30,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:31,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:41:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:31,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:31,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:31,334 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:31,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:41:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:31,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:31,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:31,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:32,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:32,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:32,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:32,422 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:32,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:41:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:32,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:32,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:32,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:33,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:41:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:33,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:33,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:33,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:33,479 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:33,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:41:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:33,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:33,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:33,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:34,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:41:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:34,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:34,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:34,596 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:34,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:41:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:34,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:34,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:34,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:35,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:41:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:35,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:35,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:35,660 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:35,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:41:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:35,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:35,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:35,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:36,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:41:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:36,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:36,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:36,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:36,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:36,721 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:36,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:41:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:36,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:36,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:36,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:37,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:41:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:37,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:37,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:37,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:37,786 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:37,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:41:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:38,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:38,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:38,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:38,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 22:41:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:38,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:38,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:38,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:38,932 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:38,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:41:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:39,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:39,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:39,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:39,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 22:41:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:39,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:39,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:39,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:39,994 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:39,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:41:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:40,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:40,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:40,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:41,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:41:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:41,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:41,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:41,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:41,088 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:41,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:41:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:41,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:41,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:41,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:42,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:41:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:42,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:42,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:42,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:42,201 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:42,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:41:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:42,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:42,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:42,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:43,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:43,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:43,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:43,360 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:43,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:41:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:43,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:43,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:43,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:44,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:44,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:44,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:44,430 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:44,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:41:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:44,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:44,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:44,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:45,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:41:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:45,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:45,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:45,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:45,527 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:41:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:45,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:45,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:45,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:46,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:46,693 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:46,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:46,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:46,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:46,694 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:46,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:41:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:46,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:46,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:46,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:47,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:47,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:47,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:47,788 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:47,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:41:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:48,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:48,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:48,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:48,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:41:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:48,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:48,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:48,863 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:48,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:41:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:49,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:49,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:49,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:49,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:49,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:49,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:49,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:49,912 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:49,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:41:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:50,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:50,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:50,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:50,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:41:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:50,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:50,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:50,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:50,985 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:50,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:41:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:51,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:51,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:51,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:52,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:41:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:52,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:52,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:52,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:52,160 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:52,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:41:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:52,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:52,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:52,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:53,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:41:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:53,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:53,288 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:53,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:41:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:53,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:53,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:53,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:54,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 22:41:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:54,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:54,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:54,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:54,394 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:54,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:41:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:54,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:54,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:54,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:55,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 22:41:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:55,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:55,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:55,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:55,441 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:55,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:41:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:55,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:55,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:41:55,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:56,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:56,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:56,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:56,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:56,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:56,630 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:56,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:41:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:56,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:56,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:56,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:57,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:41:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:57,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:57,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:57,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:57,721 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:57,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:41:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:57,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:57,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:57,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:58,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:58,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:58,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:58,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:58,754 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:58,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:41:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:58,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:59,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:41:59,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:41:59,798 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:41:59,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 22:41:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:41:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:41:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:41:59,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:59,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:59,803 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 22:42:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:00,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:00,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:00,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:00,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 22:42:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:00,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:00,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:00,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:00,933 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:00,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 22:42:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:01,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:01,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:01,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:01,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 22:42:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:01,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:01,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:01,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:01,966 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:01,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 22:42:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:02,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:02,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:02,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:03,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 22:42:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:03,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:03,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:03,115 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:03,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 22:42:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:03,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:03,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:03,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:04,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 22:42:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:04,180 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:04,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:04,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:04,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:04,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:04,181 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:04,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 22:42:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:04,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:04,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:04,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:05,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 22:42:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:05,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:05,358 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:05,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 22:42:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:05,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:05,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:05,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:06,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 22:42:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:06,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:06,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:06,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:06,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:06,419 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:06,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 22:42:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:06,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:06,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:06,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:07,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:07,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:07,471 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:07,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 22:42:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:07,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:07,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:07,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:08,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 22:42:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:08,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:08,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:08,524 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:08,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 22:42:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:08,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:08,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:08,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:09,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:09,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:09,635 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:09,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 22:42:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:09,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:09,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:09,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:10,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 22:42:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:10,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:10,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:10,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:10,696 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:10,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 22:42:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:10,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:10,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:10,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:11,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 22:42:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:11,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:11,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:11,737 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 22:42:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:11,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:11,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:11,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:12,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 22:42:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:12,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:12,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:12,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:12,878 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:12,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 22:42:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:13,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:13,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:13,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:13,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 22:42:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:13,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:13,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:13,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:13,946 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:13,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 22:42:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:14,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:14,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:14,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:15,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 22:42:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:15,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:15,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:15,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:15,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:15,086 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:15,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 22:42:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:15,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:15,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:15,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:16,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 22:42:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:16,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:16,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:16,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:16,132 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:16,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 22:42:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:16,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:16,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:16,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:17,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 22:42:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:17,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:17,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:17,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:17,248 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:17,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 22:42:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:17,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:17,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:17,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:18,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 22:42:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:18,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:18,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:18,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:18,297 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:18,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 22:42:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:18,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:18,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:18,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:19,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:19,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:19,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:19,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:19,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:19,419 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:19,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 22:42:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:19,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:19,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:19,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:20,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 22:42:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:20,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:20,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:20,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:20,478 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:20,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 22:42:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:20,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:20,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:20,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:21,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 22:42:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:21,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:21,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:21,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:21,547 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:21,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 22:42:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:21,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:21,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:21,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:22,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 22:42:22,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:22,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:22,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:22,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:22,609 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:22,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 22:42:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:22,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:22,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:22,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:23,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 22:42:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:23,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:23,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:23,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:23,712 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:23,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 22:42:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:23,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:23,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:23,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:24,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 22:42:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:24,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:24,761 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:24,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 22:42:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:24,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:25,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:25,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:25,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 22:42:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:25,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:25,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:25,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:25,797 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:25,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 22:42:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:26,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:26,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:26,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:26,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 22:42:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:26,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:26,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:26,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:26,843 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:26,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 22:42:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:27,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:27,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:27,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:27,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 22:42:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:27,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:27,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:27,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:27,967 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:27,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 22:42:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:28,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:28,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:28,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:28,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:28,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:28,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:29,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:29,000 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:29,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 22:42:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:29,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:29,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:29,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:30,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 22:42:30,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:30,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:30,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:30,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:30,055 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:30,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 22:42:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:30,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:30,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:30,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:31,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 22:42:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:31,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:31,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:31,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:31,115 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:31,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 22:42:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:31,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:31,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:31,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:32,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 22:42:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:32,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:32,244 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:32,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 22:42:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:32,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:32,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:32,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:33,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 22:42:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:33,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:33,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:33,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:33,293 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:33,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 22:42:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:33,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:33,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:33,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:34,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 22:42:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:34,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:34,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:34,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:34,354 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:34,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 22:42:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:34,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:34,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:34,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:35,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 22:42:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:35,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:35,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:35,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:35,410 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:35,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 22:42:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:35,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:35,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:35,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:36,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 22:42:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:36,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:36,544 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:36,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 22:42:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:36,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:36,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:36,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:37,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 22:42:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:37,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:37,604 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:37,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 22:42:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:37,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:37,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:37,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:38,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:38,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:38,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:38,661 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:38,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 22:42:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:38,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:38,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:38,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:39,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 22:42:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:39,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:39,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:39,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:39,725 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 22:42:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:39,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:39,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:39,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:40,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 22:42:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:40,813 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:40,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:40,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:40,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:40,814 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:40,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 22:42:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:41,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:41,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:41,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:41,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 22:42:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:41,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:41,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:41,856 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:41,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 22:42:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:42,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:42,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:42,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:42,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 22:42:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:42,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:42,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:42,906 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:42,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 22:42:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:43,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:43,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:43,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:43,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 22:42:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:43,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:43,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:43,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:43,951 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:43,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 22:42:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:44,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:44,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:44,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:45,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 22:42:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:45,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:45,004 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:45,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:45,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:45,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:45,006 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:45,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 22:42:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:45,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:45,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:45,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 22:42:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:46,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:46,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:46,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:46,183 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:46,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 22:42:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:46,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:46,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:46,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:47,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 22:42:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:47,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:47,261 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 22:42:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:47,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:47,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:47,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:48,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 22:42:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:48,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:48,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:48,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:48,318 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:48,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 22:42:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:48,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:48,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:48,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:49,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:49,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:49,372 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 22:42:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:49,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:49,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:49,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:50,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 22:42:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:50,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:50,495 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 22:42:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:50,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:50,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:50,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:51,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 22:42:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:51,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:51,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:51,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:51,535 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:51,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 22:42:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:51,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:51,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:51,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:52,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 22:42:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:52,599 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:52,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:52,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:52,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:52,601 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:52,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 22:42:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:52,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:52,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:52,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:53,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 22:42:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:53,640 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:53,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:53,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:53,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:53,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:53,641 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:53,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 22:42:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:53,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:53,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:42:53,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:54,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 22:42:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:54,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:54,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:54,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:54,750 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:54,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 22:42:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:54,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:54,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:54,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:55,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 22:42:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:55,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:55,780 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:55,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 22:42:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:56,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:56,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:56,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:56,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 22:42:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:56,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:56,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:56,823 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:56,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 22:42:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:57,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:57,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:57,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:57,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 22:42:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:57,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:57,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:57,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:57,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:57,855 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:57,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 22:42:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:58,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:58,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:58,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:58,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 22:42:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:58,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:58,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:58,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:58,906 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:58,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 22:42:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:59,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:59,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:42:59,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:42:59,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 22:42:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:42:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:42:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:42:59,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:59,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:59,980 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:59,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 22:43:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:00,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:00,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:00,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:01,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 22:43:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:01,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:01,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:01,035 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 22:43:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:01,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:01,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:01,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:02,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 22:43:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:02,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:02,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:02,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:02,071 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:02,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 22:43:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:02,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:02,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:02,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:03,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 22:43:03,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:03,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:03,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:03,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:03,123 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:03,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 22:43:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:03,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:03,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:03,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:04,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 22:43:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:04,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:04,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:04,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:04,239 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:04,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 22:43:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:04,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:04,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:04,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:05,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 22:43:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:05,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:05,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:05,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:05,274 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:05,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 22:43:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:05,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:05,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:05,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:06,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 22:43:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:06,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:06,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:06,326 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:06,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 22:43:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:06,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:07,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 22:43:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:07,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:07,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:07,359 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:07,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 22:43:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:07,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:08,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 22:43:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:08,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:08,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:08,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:08,412 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:08,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 22:43:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:08,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:08,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:08,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:09,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 22:43:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:09,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:09,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:09,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:09,532 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:09,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 22:43:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:09,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:09,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:09,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:10,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 22:43:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:10,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:10,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:10,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:10,578 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:10,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 22:43:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:10,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:10,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:10,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:11,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-02 22:43:11,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:11,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:11,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:11,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:11,640 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:11,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-02 22:43:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:11,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:11,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:11,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:12,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-02 22:43:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:12,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:12,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:12,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:12,745 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:12,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-02 22:43:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:12,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:12,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:12,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:13,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-02 22:43:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:13,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:13,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:13,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:13,866 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:13,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-02 22:43:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:14,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:14,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:14,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:14,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-02 22:43:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:14,929 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:14,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:14,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:14,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:14,930 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:14,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-02 22:43:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:15,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:15,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:15,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:15,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-02 22:43:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:15,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:15,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:15,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:15,978 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:15,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-02 22:43:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:16,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:16,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:16,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:17,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-02 22:43:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:17,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:17,042 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:17,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-02 22:43:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:17,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:17,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:17,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:18,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-02 22:43:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:18,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:18,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:18,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:18,154 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:18,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-02 22:43:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:18,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:18,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:18,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:19,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-02 22:43:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:19,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:19,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:19,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:19,207 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:19,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-02 22:43:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:19,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:19,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:19,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:20,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-02 22:43:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:20,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:20,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:20,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:20,264 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:20,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-02 22:43:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:20,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:20,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:20,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:21,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-02 22:43:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:21,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:21,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:21,290 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:21,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-02 22:43:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:21,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:21,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:21,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:22,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-02 22:43:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:22,406 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:22,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:22,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:22,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:22,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:22,407 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-02 22:43:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:22,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:22,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:22,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:23,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-02 22:43:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:23,518 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:23,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:23,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:23,520 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:23,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-02 22:43:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:23,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:23,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:23,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:24,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-02 22:43:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:24,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:24,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:24,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:24,632 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:24,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-02 22:43:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:24,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:24,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:24,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:25,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2023-12-02 22:43:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:25,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:25,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:25,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:25,686 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:25,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-02 22:43:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:25,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:25,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:25,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:26,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-02 22:43:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:26,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:26,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:26,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:26,742 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:26,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-02 22:43:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:27,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:27,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:27,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:27,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-02 22:43:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:27,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:27,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:27,845 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:27,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-02 22:43:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:28,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:28,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:28,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:28,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-02 22:43:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:28,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:28,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:28,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:28,862 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:28,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-02 22:43:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:29,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:29,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:29,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:29,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-02 22:43:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:29,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:29,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:29,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:29,921 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:29,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-02 22:43:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:30,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:30,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:30,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:30,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-02 22:43:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:30,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:30,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:30,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:30,972 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:30,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-02 22:43:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:31,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:31,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:31,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:32,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-02 22:43:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:32,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:32,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:32,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:32,083 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-02 22:43:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:32,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:32,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:33,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-02 22:43:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:33,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:33,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:33,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:33,132 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:33,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-02 22:43:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:33,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:33,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:33,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:34,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-02 22:43:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:34,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:34,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:34,195 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:34,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-02 22:43:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:34,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:34,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:34,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:35,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-02 22:43:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:35,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:35,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:35,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:35,254 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:35,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-02 22:43:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:35,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:35,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:35,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:36,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-02 22:43:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:36,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:36,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:36,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:36,375 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-02 22:43:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:36,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:36,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:36,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:37,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-02 22:43:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:37,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:37,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:37,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:37,412 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:37,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-02 22:43:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:37,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:37,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:37,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:38,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-02 22:43:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:38,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:38,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:38,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:38,438 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:38,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-02 22:43:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:38,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:38,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:38,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:39,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-02 22:43:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:39,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:39,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:39,480 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:39,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-02 22:43:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:39,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:39,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:39,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:40,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-02 22:43:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:40,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:40,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:40,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:40,607 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:40,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-02 22:43:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:40,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:40,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:40,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:41,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-02 22:43:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:41,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:41,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:41,639 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:41,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-02 22:43:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:41,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:41,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:41,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:42,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-02 22:43:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:42,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:42,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:42,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:42,693 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-02 22:43:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:42,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:42,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:42,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:43,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2023-12-02 22:43:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:43,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:43,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:43,736 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:43,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-02 22:43:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:43,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:43,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:43,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:44,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-02 22:43:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:44,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:44,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:44,789 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:44,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-02 22:43:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:45,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:45,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:45,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:45,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-02 22:43:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:45,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:45,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:45,838 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:45,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-02 22:43:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:46,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:46,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:46,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:46,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-02 22:43:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:46,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:46,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:46,886 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:46,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-02 22:43:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:47,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:47,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:47,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:47,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-02 22:43:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:47,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:47,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:47,917 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:47,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-02 22:43:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:48,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:48,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:48,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:48,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-02 22:43:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:48,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:48,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:48,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:48,947 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:48,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-02 22:43:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:49,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:49,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:49,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:49,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-02 22:43:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:49,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:49,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:49,991 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:49,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-02 22:43:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:50,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:50,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:50,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:51,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-02 22:43:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:51,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:51,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:51,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:51,096 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:51,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-02 22:43:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:51,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:51,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:51,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:52,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-02 22:43:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:52,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:52,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:52,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:52,159 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-02 22:43:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:52,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:52,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:52,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:53,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-02 22:43:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:53,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:53,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:53,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:53,241 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:53,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-02 22:43:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:53,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:53,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:53,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:54,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2023-12-02 22:43:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:54,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:54,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:54,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:54,283 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:54,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-02 22:43:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:54,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:54,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:54,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:55,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-02 22:43:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:55,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:55,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:55,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:55,377 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:55,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-02 22:43:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:55,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:55,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:55,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:56,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-02 22:43:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:56,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:56,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:56,416 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:56,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-02 22:43:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:56,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:56,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:56,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:57,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-02 22:43:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:57,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:57,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:57,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:57,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:57,451 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:57,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-02 22:43:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:57,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:57,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:57,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:58,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2023-12-02 22:43:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:58,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:58,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:58,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:58,508 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-02 22:43:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:58,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:58,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:43:58,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:43:59,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2023-12-02 22:43:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:43:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:43:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:43:59,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:59,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:59,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:59,613 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:59,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-02 22:43:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:59,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:59,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:43:59,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:00,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-02 22:44:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:00,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:00,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:00,674 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:00,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-02 22:44:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:00,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:00,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:00,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:01,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-02 22:44:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:01,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:01,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:01,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:01,710 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:01,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-02 22:44:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:01,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:01,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:01,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:02,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-02 22:44:02,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:02,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:02,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:02,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:02,731 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:02,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-02 22:44:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:02,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:02,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:02,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:03,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:03,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:03,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:03,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:03,848 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:03,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-02 22:44:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:04,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:04,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:04,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:04,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-02 22:44:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:04,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:04,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:04,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:04,908 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:04,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-02 22:44:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:05,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:05,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:05,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:05,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-02 22:44:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:05,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:05,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:05,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:05,960 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:05,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-02 22:44:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:06,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:06,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:06,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:06,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2023-12-02 22:44:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:06,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:06,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:06,987 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:06,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-02 22:44:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:07,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:07,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:07,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:08,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:08,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:08,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:08,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:08,025 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:08,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-02 22:44:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:08,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:08,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:08,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:09,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2023-12-02 22:44:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:09,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:09,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:09,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:09,140 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:09,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-02 22:44:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:09,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:09,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:09,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:10,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2023-12-02 22:44:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:10,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:10,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:10,186 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-02 22:44:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:10,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:10,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:10,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:11,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-02 22:44:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:11,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:11,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:11,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:11,228 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:11,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-02 22:44:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:11,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:11,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:11,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:12,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:12,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:12,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:12,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:12,274 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:12,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-02 22:44:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:12,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:12,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:12,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:13,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-02 22:44:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:13,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:13,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:13,387 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:13,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-02 22:44:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:13,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:13,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:13,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:14,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-02 22:44:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:14,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:14,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:14,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:14,456 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:14,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-02 22:44:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:14,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:14,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:14,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:15,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-02 22:44:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:15,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:15,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:15,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:15,538 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:15,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-02 22:44:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:15,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:15,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:15,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:16,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-02 22:44:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:16,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:16,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:16,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:16,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:16,625 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:16,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-02 22:44:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:16,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:16,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:16,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:17,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-02 22:44:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:17,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:17,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:17,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:17,682 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:17,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-02 22:44:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:17,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:17,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:17,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-02 22:44:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:18,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:18,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:18,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:18,765 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:18,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-02 22:44:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:18,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:18,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:18,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:19,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:19,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:19,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:19,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:19,794 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:19,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-02 22:44:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:20,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:20,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:20,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:20,851 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:44:20,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-02 22:44:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:20,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:20,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:20,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:20,855 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:20,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-02 22:44:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:21,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:21,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:21,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:22,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2023-12-02 22:44:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:22,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:22,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:22,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:22,047 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:22,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-02 22:44:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:22,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:22,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:22,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:23,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-02 22:44:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:23,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:23,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:23,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:23,196 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:23,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-02 22:44:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:23,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:23,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:23,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:24,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:24,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:24,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:24,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:24,247 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:24,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-02 22:44:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:24,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:24,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:24,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:25,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2023-12-02 22:44:25,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:25,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:25,328 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:25,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-02 22:44:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:25,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:25,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:25,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:26,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-02 22:44:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:26,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:26,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:26,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:26,403 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:26,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-02 22:44:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:26,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:26,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:26,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:27,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2023-12-02 22:44:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:27,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:27,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:27,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:27,528 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:27,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-02 22:44:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:27,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:27,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:27,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:28,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2023-12-02 22:44:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:28,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:28,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:28,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:28,554 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:28,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-02 22:44:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:28,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:28,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:28,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:29,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-02 22:44:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:29,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:29,591 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:29,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-02 22:44:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:29,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:29,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:29,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:30,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-02 22:44:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:30,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:30,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:30,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:30,655 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:30,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-02 22:44:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:30,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:30,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:30,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:31,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-02 22:44:31,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:31,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:31,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:31,766 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:31,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-02 22:44:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:31,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:32,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:32,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:32,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-02 22:44:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:32,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:32,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:32,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:32,850 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:32,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-02 22:44:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:33,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:33,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:33,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:33,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2023-12-02 22:44:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:33,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:33,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:33,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:33,911 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:33,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-02 22:44:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:34,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:34,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:34,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:34,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-02 22:44:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:34,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:34,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:34,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:34,957 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:34,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-02 22:44:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:35,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:35,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:35,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:36,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-02 22:44:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:36,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:36,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:36,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:36,044 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:36,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-02 22:44:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:36,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:36,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:36,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:37,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-02 22:44:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:37,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:37,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:37,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:37,151 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:37,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-02 22:44:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:37,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:37,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:37,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:38,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2023-12-02 22:44:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:38,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:38,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:38,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:38,200 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:38,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-02 22:44:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:38,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:38,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:38,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:39,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-02 22:44:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:39,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:39,292 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:39,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-02 22:44:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:39,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:39,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:39,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:40,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2023-12-02 22:44:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:40,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:40,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:40,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:40,302 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:40,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-02 22:44:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:40,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:40,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:40,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:41,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2023-12-02 22:44:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:41,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:41,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:41,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:41,400 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:41,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-02 22:44:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:41,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:41,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:41,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:42,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2023-12-02 22:44:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:42,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:42,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:42,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:42,498 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:42,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-02 22:44:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:42,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:42,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:42,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:43,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-02 22:44:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:43,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:43,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:43,581 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:43,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-02 22:44:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:43,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:43,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:43,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:44,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-02 22:44:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:44,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:44,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:44,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:44,659 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-02 22:44:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:44,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:44,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:44,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:45,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-02 22:44:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:45,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:45,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:45,792 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:45,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-02 22:44:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:46,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:46,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:46,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:46,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-02 22:44:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:46,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:46,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:46,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:46,838 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:46,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-02 22:44:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:47,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:47,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:47,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:47,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-02 22:44:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:47,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:47,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:47,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:47,930 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:47,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-02 22:44:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:48,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:48,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:48,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:49,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-02 22:44:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:49,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:49,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:49,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:49,022 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:49,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-02 22:44:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:49,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:49,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:49,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:50,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-02 22:44:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:50,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:50,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:50,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:50,171 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:50,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-02 22:44:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:50,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:50,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:50,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:51,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-02 22:44:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:51,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:51,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:51,237 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:51,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-02 22:44:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:51,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:51,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:51,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:52,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2023-12-02 22:44:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:52,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:52,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:52,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:52,317 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:52,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-02 22:44:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:52,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:52,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:52,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:53,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-02 22:44:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:53,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:53,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:53,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:53,418 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:53,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-02 22:44:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:53,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:53,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:53,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:54,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2023-12-02 22:44:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:54,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:54,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:54,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:54,520 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:54,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-02 22:44:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:54,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:54,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:54,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:55,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2023-12-02 22:44:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:55,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:55,546 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:55,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-02 22:44:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:55,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:55,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:55,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:56,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-02 22:44:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:56,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:56,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:56,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:56,585 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:56,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-02 22:44:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:56,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:56,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:56,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:57,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2023-12-02 22:44:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:57,665 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:57,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:57,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:57,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:57,666 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:57,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-02 22:44:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:57,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:57,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:44:57,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:58,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-02 22:44:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:58,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:58,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:58,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:58,787 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:58,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-02 22:44:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:59,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:59,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:44:59,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:44:59,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-02 22:44:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:44:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:44:59,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:44:59,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:59,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:59,859 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:59,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-02 22:45:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:00,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:00,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:00,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:00,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-02 22:45:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:00,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:00,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:00,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:00,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:00,937 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:00,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-02 22:45:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:01,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:01,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:01,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:02,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2023-12-02 22:45:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:02,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:02,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:02,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:02,031 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:02,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-02 22:45:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:02,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:02,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:02,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-02 22:45:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:03,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:03,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:03,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:03,275 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:03,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-02 22:45:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:03,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:03,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:03,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:04,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-02 22:45:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:04,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:04,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:04,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:04,354 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:04,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-02 22:45:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:04,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:04,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:04,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:05,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2023-12-02 22:45:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:05,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:05,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:05,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:05,418 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:05,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-02 22:45:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:05,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:05,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:05,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:06,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2023-12-02 22:45:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:06,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:06,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:06,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:06,491 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:06,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-02 22:45:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:06,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:06,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:06,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:07,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2023-12-02 22:45:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:07,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:07,564 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:07,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-02 22:45:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:07,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:07,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:07,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:08,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-02 22:45:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:08,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:08,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:08,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:08,638 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:08,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-02 22:45:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:08,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:08,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:08,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:09,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-02 22:45:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:09,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:09,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:09,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:09,761 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:09,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-02 22:45:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:09,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:10,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:10,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:10,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-02 22:45:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:10,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:10,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:10,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:10,810 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:10,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-02 22:45:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:11,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:11,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:11,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:11,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-02 22:45:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:11,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:11,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:11,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:11,867 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:11,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-02 22:45:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:12,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:12,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:12,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:12,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-02 22:45:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:12,929 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:12,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:12,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:12,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:12,930 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:12,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-02 22:45:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:13,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:13,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:13,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:13,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2023-12-02 22:45:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:14,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:14,027 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-02 22:45:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:14,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:14,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:14,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:15,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-02 22:45:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:15,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:15,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:15,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:15,075 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:15,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-02 22:45:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:15,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:15,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:15,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:16,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-02 22:45:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:16,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:16,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:16,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:16,125 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:16,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-02 22:45:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:16,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:16,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:16,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:17,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-02 22:45:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:17,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:17,146 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-02 22:45:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:17,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:17,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:17,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:18,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-02 22:45:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:18,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:18,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:18,292 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:18,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-02 22:45:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:18,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:18,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:18,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:19,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2023-12-02 22:45:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:19,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:19,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:19,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:19,352 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:19,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-02 22:45:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:19,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:19,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:19,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:20,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2023-12-02 22:45:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:20,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:20,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:20,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:20,397 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:20,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-02 22:45:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:20,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:20,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:20,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:21,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-02 22:45:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:21,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:21,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:21,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:21,438 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:21,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-02 22:45:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:21,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:21,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:21,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:22,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-02 22:45:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:22,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:22,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:22,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:22,488 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:22,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-02 22:45:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:22,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:22,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:22,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:23,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-02 22:45:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:23,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:23,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:23,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:23,617 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:23,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-02 22:45:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:23,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:23,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:23,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:24,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2023-12-02 22:45:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:24,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:24,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:24,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:24,656 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:24,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-02 22:45:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:24,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:24,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:24,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:25,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-02 22:45:25,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:25,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:25,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:25,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:25,686 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:25,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-02 22:45:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:25,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:25,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:25,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:26,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-02 22:45:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:26,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:26,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:26,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:26,716 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-02 22:45:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:26,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:26,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:26,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:27,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-02 22:45:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:27,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:27,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:27,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:27,798 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:27,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-02 22:45:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:28,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:28,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:28,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:28,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2023-12-02 22:45:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:28,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:28,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:28,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:28,848 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:28,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-02 22:45:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:29,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:29,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:29,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:29,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-02 22:45:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:29,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:29,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:29,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:29,926 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-02 22:45:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:30,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:30,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:30,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:30,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-02 22:45:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:30,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:31,000 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:31,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-02 22:45:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:31,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:31,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:31,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:32,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-02 22:45:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:32,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:32,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:32,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:32,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:32,150 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:32,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-02 22:45:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:32,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:32,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:32,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:33,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2023-12-02 22:45:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:33,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:33,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:33,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:33,195 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:33,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-02 22:45:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:33,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:33,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:33,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:34,224 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:34,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2023-12-02 22:45:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:34,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:34,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:34,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:34,230 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:34,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-02 22:45:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:34,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:34,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:34,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:35,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2023-12-02 22:45:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:35,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:35,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:35,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:35,268 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:35,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-02 22:45:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:35,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:35,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:35,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:36,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-02 22:45:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:36,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:36,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:36,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:36,380 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:36,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-02 22:45:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:36,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:36,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:36,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:37,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-02 22:45:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:37,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:37,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:37,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:37,429 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-02 22:45:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:37,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:37,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:37,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:38,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2023-12-02 22:45:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:38,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:38,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:38,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:38,535 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:38,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-02 22:45:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:38,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:38,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:38,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:39,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2023-12-02 22:45:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:39,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:39,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:39,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:39,585 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:39,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-02 22:45:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:39,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:39,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:39,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:40,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2023-12-02 22:45:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:40,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:40,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:40,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:40,684 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:40,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-02 22:45:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:40,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:40,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:40,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:41,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2023-12-02 22:45:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:41,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:41,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:41,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:41,727 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:41,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-02 22:45:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:41,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:41,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:41,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:42,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2023-12-02 22:45:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:42,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:42,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:42,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:42,767 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:42,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-02 22:45:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:43,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:43,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:43,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:43,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-02 22:45:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:43,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:43,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:43,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:43,815 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:43,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-02 22:45:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:44,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:44,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:44,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:44,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-02 22:45:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:44,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:44,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:44,894 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:44,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-02 22:45:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:45,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:45,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:45,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:45,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-02 22:45:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:45,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:45,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:45,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:45,930 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:45,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-02 22:45:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:46,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:46,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:46,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:46,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2023-12-02 22:45:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:46,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:46,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:46,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:46,971 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:46,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2023-12-02 22:45:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:47,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:47,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:47,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:48,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2023-12-02 22:45:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:48,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:48,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:48,022 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:48,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2023-12-02 22:45:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:48,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:48,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:48,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:49,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2023-12-02 22:45:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:49,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:49,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:49,136 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:49,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2023-12-02 22:45:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:49,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:49,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:49,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:50,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2023-12-02 22:45:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:50,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:50,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:50,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:50,181 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:50,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2023-12-02 22:45:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:50,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:50,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:50,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:51,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2023-12-02 22:45:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:51,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:51,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:51,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:51,215 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:51,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2023-12-02 22:45:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:51,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:51,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:51,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:52,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2023-12-02 22:45:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:52,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:52,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:52,255 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:52,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2023-12-02 22:45:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:52,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:52,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:52,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:53,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2023-12-02 22:45:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:53,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:53,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:53,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:53,418 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:53,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2023-12-02 22:45:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:53,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:53,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:53,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:54,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2023-12-02 22:45:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:54,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:54,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:54,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:54,480 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2023-12-02 22:45:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:54,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:54,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:54,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:55,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2023-12-02 22:45:55,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:55,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:55,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:55,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:55,510 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:55,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2023-12-02 22:45:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:55,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:55,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:55,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:56,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2023-12-02 22:45:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:56,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:56,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:56,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:56,539 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:56,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2023-12-02 22:45:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:56,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:56,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:56,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:57,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2023-12-02 22:45:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:57,591 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:57,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:57,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:57,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:57,592 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:57,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2023-12-02 22:45:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:57,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:57,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:45:57,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:58,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2023-12-02 22:45:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:58,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:58,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:58,676 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:58,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2023-12-02 22:45:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:58,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:58,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:58,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:45:59,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2023-12-02 22:45:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:45:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:45:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:45:59,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:59,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:59,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:59,730 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:59,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2023-12-02 22:45:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:59,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:59,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:45:59,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:00,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2023-12-02 22:46:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:00,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:00,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:00,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:00,773 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:00,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2023-12-02 22:46:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:01,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:01,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:01,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:01,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2023-12-02 22:46:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:01,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:01,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:01,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:01,881 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:01,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2023-12-02 22:46:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:02,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:02,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:02,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:02,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2023-12-02 22:46:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:02,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:02,922 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:02,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2023-12-02 22:46:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:03,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:03,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:03,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:03,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2023-12-02 22:46:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:03,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:03,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:03,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:03,972 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:03,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2023-12-02 22:46:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:04,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:04,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:04,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:05,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2023-12-02 22:46:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:05,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:05,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:05,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:05,044 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:05,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2023-12-02 22:46:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:05,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:05,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:05,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:06,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2023-12-02 22:46:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:06,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:06,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:06,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:06,173 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:06,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2023-12-02 22:46:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:06,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:06,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:06,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:07,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2023-12-02 22:46:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:07,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:07,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:07,220 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:07,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2023-12-02 22:46:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:07,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:07,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:07,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:08,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2023-12-02 22:46:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:08,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:08,291 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:08,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2023-12-02 22:46:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:08,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:08,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:08,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:09,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2023-12-02 22:46:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:09,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:09,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:09,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:09,283 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:09,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2023-12-02 22:46:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:09,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:09,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:09,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:10,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2023-12-02 22:46:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:10,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:10,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:10,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:10,397 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:10,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2023-12-02 22:46:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:10,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:10,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:10,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:11,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2023-12-02 22:46:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:11,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:11,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:11,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:11,484 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:11,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2023-12-02 22:46:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:11,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:11,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:11,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:12,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2023-12-02 22:46:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:12,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:12,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:12,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:12,578 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:12,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2023-12-02 22:46:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:12,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:12,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:12,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:13,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2023-12-02 22:46:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:13,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:13,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:13,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:13,653 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:13,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2023-12-02 22:46:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:13,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:13,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:13,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:14,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2023-12-02 22:46:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:14,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:14,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:14,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:14,721 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:14,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2023-12-02 22:46:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:14,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:14,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:14,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:15,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2023-12-02 22:46:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:15,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:15,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:15,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:15,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:15,834 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:15,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2023-12-02 22:46:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:16,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:16,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:16,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:16,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2023-12-02 22:46:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:16,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:16,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:16,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:16,873 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:16,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2023-12-02 22:46:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:17,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:17,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:17,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:17,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2023-12-02 22:46:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:17,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:17,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:17,938 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:17,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2023-12-02 22:46:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:18,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:18,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:18,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:19,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2023-12-02 22:46:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:19,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:19,063 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:19,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2023-12-02 22:46:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:19,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:19,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:19,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:20,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2023-12-02 22:46:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:20,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:20,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:20,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:20,297 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:20,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2023-12-02 22:46:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:20,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:20,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:20,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:21,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2023-12-02 22:46:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:21,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:21,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:21,446 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:21,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2023-12-02 22:46:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:21,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:21,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:21,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:22,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2023-12-02 22:46:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:22,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:22,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:22,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:22,606 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:22,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2023-12-02 22:46:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:22,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:22,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:22,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:23,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2023-12-02 22:46:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:23,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:23,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:23,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:23,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:23,781 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:23,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2023-12-02 22:46:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:24,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:24,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:24,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:24,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2023-12-02 22:46:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:25,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:25,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:25,019 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:25,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2023-12-02 22:46:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:25,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:25,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:25,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:26,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2023-12-02 22:46:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:26,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:26,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:26,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:26,134 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:26,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2023-12-02 22:46:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:26,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:26,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:26,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:27,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2023-12-02 22:46:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:27,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:27,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:27,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:27,299 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:27,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2023-12-02 22:46:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:27,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:27,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:27,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:28,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2023-12-02 22:46:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:28,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:28,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:28,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:28,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:28,387 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:28,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2023-12-02 22:46:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:28,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:28,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:28,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:29,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2023-12-02 22:46:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:29,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:29,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:29,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:29,504 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:29,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2023-12-02 22:46:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:29,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:29,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:29,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:30,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2023-12-02 22:46:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:30,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:30,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:30,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:30,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:30,633 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:30,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2023-12-02 22:46:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:30,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:30,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:30,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:31,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2023-12-02 22:46:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:31,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:31,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:31,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:31,813 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:31,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2023-12-02 22:46:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:32,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:32,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:32,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:32,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2023-12-02 22:46:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:32,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:32,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:32,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:32,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:32,995 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:32,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2023-12-02 22:46:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:33,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:33,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:33,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:34,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2023-12-02 22:46:34,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:34,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:34,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:34,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:34,227 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:34,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2023-12-02 22:46:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:34,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:34,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:34,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:35,306 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:35,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2023-12-02 22:46:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:35,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:35,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:35,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:35,312 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:35,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2023-12-02 22:46:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:35,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:35,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:35,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:36,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2023-12-02 22:46:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:36,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:36,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:36,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:36,378 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:36,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2023-12-02 22:46:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:36,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:36,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:36,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:37,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2023-12-02 22:46:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:37,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:37,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:37,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:37,435 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2023-12-02 22:46:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:37,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:37,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:37,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:38,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2023-12-02 22:46:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:38,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:38,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:38,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:38,564 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:38,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2023-12-02 22:46:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:38,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:38,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:38,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:39,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2023-12-02 22:46:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:39,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:39,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:39,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:39,613 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:39,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2023-12-02 22:46:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:39,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:39,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:39,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:40,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2023-12-02 22:46:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:40,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:40,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:40,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:40,671 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2023-12-02 22:46:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:40,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:40,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:40,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:41,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2023-12-02 22:46:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:41,799 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:41,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:41,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:41,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:41,801 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:41,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2023-12-02 22:46:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:42,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:42,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:42,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:42,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2023-12-02 22:46:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:42,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:42,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:42,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:42,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:42,903 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:42,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2023-12-02 22:46:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:43,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:43,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:43,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:43,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2023-12-02 22:46:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:43,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:43,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:43,961 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:43,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2023-12-02 22:46:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:44,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:44,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:44,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:45,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2023-12-02 22:46:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:45,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:45,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:45,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:45,059 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:45,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2023-12-02 22:46:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:45,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:45,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:45,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:46,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2023-12-02 22:46:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:46,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:46,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:46,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:46,196 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:46,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2023-12-02 22:46:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:46,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:46,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:46,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:47,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2023-12-02 22:46:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:47,419 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:47,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:47,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:47,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:47,420 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:47,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2023-12-02 22:46:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:47,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:47,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:47,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:48,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2023-12-02 22:46:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:48,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:48,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:48,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:48,629 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:48,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2023-12-02 22:46:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:48,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:48,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:48,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:49,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2023-12-02 22:46:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:49,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:49,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:49,797 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:49,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2023-12-02 22:46:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:50,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:50,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:50,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:51,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2023-12-02 22:46:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:51,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:51,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:51,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:51,055 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:51,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2023-12-02 22:46:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:51,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:51,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:51,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:52,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2023-12-02 22:46:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:52,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:52,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:52,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:52,285 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:52,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2023-12-02 22:46:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:52,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:52,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:52,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:53,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2023-12-02 22:46:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:53,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:53,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:53,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:53,405 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:53,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2023-12-02 22:46:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:53,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:53,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:53,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:54,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2023-12-02 22:46:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:54,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:54,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:54,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:54,557 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2023-12-02 22:46:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:54,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:54,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:54,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:55,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2023-12-02 22:46:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:55,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:55,782 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:55,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2023-12-02 22:46:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:56,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:56,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:46:56,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:56,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2023-12-02 22:46:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:57,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:57,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:57,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:57,022 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:57,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2023-12-02 22:46:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:57,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:57,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:57,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:58,180 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:58,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2023-12-02 22:46:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:58,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:58,188 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:58,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2023-12-02 22:46:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:58,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:58,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:58,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:46:59,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2023-12-02 22:46:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:59,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:46:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:46:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:46:59,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:59,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:59,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:59,297 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:59,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2023-12-02 22:46:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:59,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:59,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:46:59,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:00,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2023-12-02 22:47:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:00,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:00,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:00,319 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:00,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2023-12-02 22:47:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:00,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:00,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:47:00,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:01,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2023-12-02 22:47:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:01,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:01,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:01,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:01,437 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:01,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2023-12-02 22:47:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:01,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:01,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:01,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:02,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2023-12-02 22:47:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:02,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:02,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:02,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:02,634 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:02,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2023-12-02 22:47:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:02,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:02,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:02,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:03,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2023-12-02 22:47:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:03,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:03,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:03,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:03,805 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:03,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2023-12-02 22:47:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:04,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:04,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:04,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:05,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2023-12-02 22:47:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:05,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:05,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:05,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:05,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:05,041 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:05,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2023-12-02 22:47:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:05,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:05,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:47:05,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:06,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2023-12-02 22:47:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:06,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:06,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:06,299 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:06,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2023-12-02 22:47:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:06,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:06,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:06,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:07,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2023-12-02 22:47:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:07,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:07,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:07,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:07,477 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:07,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2023-12-02 22:47:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:07,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:07,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:07,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:08,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2023-12-02 22:47:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:08,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:08,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:08,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:08,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:08,655 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2023-12-02 22:47:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:08,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:08,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:08,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:09,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2023-12-02 22:47:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:09,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:09,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:09,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:09,803 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:09,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2023-12-02 22:47:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:10,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:10,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:10,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:10,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2023-12-02 22:47:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:10,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:10,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:10,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:10,898 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:10,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2023-12-02 22:47:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:11,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:11,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:11,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:12,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2023-12-02 22:47:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:12,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:12,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:12,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:12,076 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2023-12-02 22:47:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:41,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:41,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:41,989 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:41,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2023-12-02 22:47:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:42,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:42,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:42,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:43,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2023-12-02 22:47:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:43,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:43,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:43,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:43,156 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:43,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2023-12-02 22:47:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:43,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:43,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:43,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:44,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2023-12-02 22:47:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:44,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:44,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:44,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:44,312 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2023-12-02 22:47:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:44,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:44,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:44,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:45,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2023-12-02 22:47:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:45,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:45,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:45,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:45,523 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:45,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2023-12-02 22:47:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:45,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:45,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:47:45,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:46,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2023-12-02 22:47:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:46,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:46,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:46,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:46,741 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:46,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2023-12-02 22:47:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:47,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:47,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:47,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:47,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2023-12-02 22:47:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:47,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:47,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:47,877 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2023-12-02 22:47:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:48,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:48,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:48,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:48,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2023-12-02 22:47:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:48,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:48,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:48,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:48,989 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:48,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2023-12-02 22:47:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:49,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:49,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:49,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:50,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2023-12-02 22:47:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:50,008 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:50,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:50,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:50,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:50,009 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:50,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2023-12-02 22:47:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:50,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:50,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:47:50,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:51,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2023-12-02 22:47:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:51,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:51,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:51,103 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:51,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2023-12-02 22:47:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:51,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:51,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:51,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:52,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (409)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:52,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:52,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:52,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:52,157 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:52,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2023-12-02 22:47:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:52,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:52,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:52,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:53,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2023-12-02 22:47:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:53,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:53,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:53,240 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:53,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2023-12-02 22:47:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:53,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:53,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:53,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:54,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (411)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:54,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:54,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:54,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:54,345 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:54,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2023-12-02 22:47:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:54,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:54,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:47:54,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:55,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2023-12-02 22:47:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:55,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:55,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:55,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:55,491 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:55,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2023-12-02 22:47:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:55,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:55,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:55,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:56,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2023-12-02 22:47:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:56,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:56,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:56,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:56,540 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:56,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2023-12-02 22:47:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:56,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:56,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:56,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:57,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2023-12-02 22:47:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:57,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:57,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:57,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:57,567 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:57,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2023-12-02 22:47:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:57,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:57,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:47:57,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:58,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2023-12-02 22:47:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:47:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:47:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:47:58,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:58,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:58,761 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:58,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2023-12-02 22:47:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:58,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:59,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:47:59,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:47:59,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2023-12-02 22:48:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:00,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:00,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:00,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:00,013 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:00,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2023-12-02 22:48:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:00,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:00,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:00,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:01,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2023-12-02 22:48:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:01,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:01,169 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:01,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2023-12-02 22:48:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:01,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:01,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:01,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:02,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2023-12-02 22:48:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:02,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:02,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:02,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:02,207 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:02,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2023-12-02 22:48:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:02,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:02,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:02,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:03,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2023-12-02 22:48:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:03,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:03,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:03,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:03,296 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:03,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2023-12-02 22:48:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:03,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:03,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:03,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:04,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:04,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (420)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:04,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:04,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:04,420 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:04,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2023-12-02 22:48:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:04,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:04,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:04,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:05,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2023-12-02 22:48:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:05,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:05,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:05,480 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:05,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2023-12-02 22:48:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:05,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:05,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:05,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:06,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2023-12-02 22:48:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:06,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:06,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:06,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:06,503 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:06,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2023-12-02 22:48:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:06,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:06,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:06,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:07,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (423)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:07,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:07,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:07,576 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:07,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2023-12-02 22:48:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:07,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:07,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:07,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:08,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2023-12-02 22:48:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:08,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:08,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:08,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:08,644 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:08,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2023-12-02 22:48:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:08,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:08,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:08,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:09,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2023-12-02 22:48:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:09,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:09,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:09,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:09,769 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:09,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2023-12-02 22:48:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:10,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:10,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:10,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:10,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2023-12-02 22:48:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:10,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:10,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:10,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:10,800 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:10,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2023-12-02 22:48:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:11,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:11,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:11,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:11,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2023-12-02 22:48:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:11,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:11,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:11,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:11,862 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2023-12-02 22:48:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:12,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:12,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:12,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:12,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2023-12-02 22:48:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:12,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:12,941 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:12,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2023-12-02 22:48:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:13,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:13,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:13,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:14,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2023-12-02 22:48:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:14,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:14,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:14,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:14,064 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:14,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2023-12-02 22:48:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:14,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:14,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:14,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:15,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2023-12-02 22:48:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:15,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:15,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:15,095 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:15,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2023-12-02 22:48:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:15,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:15,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:15,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:16,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2023-12-02 22:48:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:16,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:16,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:16,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:16,267 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:16,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2023-12-02 22:48:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:16,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:16,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:16,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:17,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2023-12-02 22:48:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:17,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:17,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:17,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:17,284 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:17,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2023-12-02 22:48:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:17,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:17,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:17,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:18,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2023-12-02 22:48:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:18,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:18,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:18,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:18,349 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:18,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2023-12-02 22:48:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:18,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:18,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:18,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:19,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2023-12-02 22:48:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:19,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:19,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:19,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:19,365 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:19,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2023-12-02 22:48:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:19,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:19,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:19,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:20,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2023-12-02 22:48:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:20,390 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:20,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:20,391 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:20,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2023-12-02 22:48:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:20,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:20,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:20,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:21,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2023-12-02 22:48:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:21,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:21,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:21,425 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:21,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2023-12-02 22:48:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:21,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:21,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:21,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:22,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2023-12-02 22:48:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:22,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:22,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:22,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:22,489 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:22,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2023-12-02 22:48:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:22,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:22,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:22,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:23,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2023-12-02 22:48:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:23,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:23,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:23,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:23,534 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2023-12-02 22:48:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:23,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:23,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:23,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:24,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2023-12-02 22:48:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:24,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:24,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:24,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:24,550 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:24,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2023-12-02 22:48:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:24,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:24,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:24,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:25,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2023-12-02 22:48:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:25,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:25,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:25,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:25,577 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:25,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2023-12-02 22:48:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:25,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:25,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:25,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:26,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2023-12-02 22:48:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:26,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:26,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:26,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:26,727 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:26,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2023-12-02 22:48:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:27,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:27,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:27,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:27,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2023-12-02 22:48:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:27,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:27,971 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:27,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2023-12-02 22:48:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:28,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:28,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:28,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:29,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2023-12-02 22:48:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:29,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:29,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:29,221 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:29,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2023-12-02 22:48:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:29,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:29,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:29,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:30,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2023-12-02 22:48:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:30,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:30,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:30,359 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:30,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2023-12-02 22:48:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:30,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:30,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:30,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:31,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (445)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:31,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:31,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:31,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:31,366 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:31,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2023-12-02 22:48:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:31,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:31,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:31,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:32,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2023-12-02 22:48:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:32,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:32,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:32,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:32,596 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:32,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2023-12-02 22:48:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:32,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:32,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:32,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:33,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2023-12-02 22:48:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:33,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:33,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:33,877 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:33,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2023-12-02 22:48:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:34,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:34,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:34,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:35,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2023-12-02 22:48:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:35,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:35,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:35,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:35,139 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:35,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2023-12-02 22:48:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:35,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:35,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:35,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:36,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2023-12-02 22:48:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:36,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:36,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:36,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:36,288 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:36,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2023-12-02 22:48:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:36,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:36,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:36,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:37,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2023-12-02 22:48:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:37,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:37,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:37,584 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:37,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2023-12-02 22:48:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:37,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:37,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:37,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:38,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2023-12-02 22:48:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:38,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:38,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:38,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:38,773 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:38,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2023-12-02 22:48:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:39,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:39,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:39,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:39,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2023-12-02 22:48:39,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:39,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:39,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:39,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:39,951 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:39,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2023-12-02 22:48:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:40,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:40,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:40,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:41,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2023-12-02 22:48:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:41,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:41,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:41,109 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2023-12-02 22:48:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:41,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:41,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:41,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:42,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2023-12-02 22:48:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:42,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:42,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:42,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:42,446 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:42,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2023-12-02 22:48:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:42,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:42,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:42,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:43,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2023-12-02 22:48:43,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:43,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:43,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:43,623 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2023-12-02 22:48:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:43,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:43,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:43,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:44,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2023-12-02 22:48:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:44,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:44,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:44,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:44,931 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:44,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2023-12-02 22:48:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:45,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:45,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:45,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:46,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2023-12-02 22:48:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:46,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:46,249 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:46,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2023-12-02 22:48:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:46,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:46,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:46,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:47,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2023-12-02 22:48:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:47,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:47,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:47,367 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:47,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2023-12-02 22:48:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:47,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:47,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:47,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:48,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (459)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:48,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:48,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:48,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:48,379 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:48,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2023-12-02 22:48:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:48,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:48,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:48,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:49,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2023-12-02 22:48:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:49,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:49,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:49,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:49,524 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:49,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2023-12-02 22:48:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:49,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:49,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:49,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:50,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (461)] Ended with exit code 0 [2023-12-02 22:48:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:50,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:50,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:50,641 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2023-12-02 22:48:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:50,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:51,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (462)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:51,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:51,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:51,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:51,867 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:51,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2023-12-02 22:48:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:52,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:52,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:52,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:52,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2023-12-02 22:48:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:52,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:52,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:52,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:52,968 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:52,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2023-12-02 22:48:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:53,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:53,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:53,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:54,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (464)] Ended with exit code 0 [2023-12-02 22:48:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:54,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:54,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:54,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:54,101 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:54,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2023-12-02 22:48:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:54,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:54,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:54,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:55,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2023-12-02 22:48:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:55,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:55,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:55,210 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:55,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2023-12-02 22:48:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:55,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:55,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:48:55,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:56,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2023-12-02 22:48:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:56,331 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:56,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:56,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:56,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:56,332 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:56,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2023-12-02 22:48:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:56,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:56,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:56,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:57,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2023-12-02 22:48:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:57,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:57,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:57,400 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:57,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2023-12-02 22:48:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:57,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:57,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:57,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:58,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (468)] Ended with exit code 0 [2023-12-02 22:48:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:58,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:58,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:58,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:58,547 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:58,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2023-12-02 22:48:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:58,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:58,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:58,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:48:59,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (469)] Ended with exit code 0 [2023-12-02 22:48:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:48:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:48:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:48:59,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:59,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:59,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:59,599 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:59,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2023-12-02 22:48:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:59,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:59,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:48:59,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:00,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2023-12-02 22:49:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:00,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:00,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:00,783 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:00,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2023-12-02 22:49:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:01,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:01,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:01,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:01,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (471)] Ended with exit code 0 [2023-12-02 22:49:01,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:01,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:01,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:01,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:01,962 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:01,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2023-12-02 22:49:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:02,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:02,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:02,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:03,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (472)] Ended with exit code 0 [2023-12-02 22:49:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:03,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:03,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:03,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:03,180 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:03,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2023-12-02 22:49:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:03,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:03,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:03,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:04,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2023-12-02 22:49:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:04,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:04,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:04,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:04,392 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:04,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2023-12-02 22:49:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:04,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:04,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:04,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:05,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2023-12-02 22:49:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:05,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:05,576 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:05,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2023-12-02 22:49:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:05,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:05,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:05,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:06,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (475)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:06,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:06,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:06,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:06,900 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:06,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2023-12-02 22:49:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:07,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:07,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:07,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:08,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2023-12-02 22:49:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:08,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:08,039 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:08,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2023-12-02 22:49:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:08,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:08,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:08,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:09,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2023-12-02 22:49:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:09,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:09,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:09,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:09,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:09,210 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:09,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2023-12-02 22:49:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:09,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:09,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:09,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:10,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (478)] Ended with exit code 0 [2023-12-02 22:49:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:10,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:10,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:10,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:10,266 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:10,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2023-12-02 22:49:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:10,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:10,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:10,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:11,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2023-12-02 22:49:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:11,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:11,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:11,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:11,443 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:11,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2023-12-02 22:49:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:11,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:11,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:11,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:12,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (480)] Ended with exit code 0 [2023-12-02 22:49:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:12,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:12,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:12,571 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:12,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2023-12-02 22:49:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:12,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:12,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:12,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:13,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2023-12-02 22:49:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:13,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:13,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:13,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:13,663 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2023-12-02 22:49:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:13,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:13,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:13,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:14,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (482)] Ended with exit code 0 [2023-12-02 22:49:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:14,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:14,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:14,742 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:14,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2023-12-02 22:49:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:14,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:14,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:14,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:15,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2023-12-02 22:49:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:15,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:15,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:15,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:15,873 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:15,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2023-12-02 22:49:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:16,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:16,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:16,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:17,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2023-12-02 22:49:17,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:17,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:17,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:17,018 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2023-12-02 22:49:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:17,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:17,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:17,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:18,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2023-12-02 22:49:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:18,094 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:18,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:18,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:18,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:18,095 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:18,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2023-12-02 22:49:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:18,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:18,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:18,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:19,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2023-12-02 22:49:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:19,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:19,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:19,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:19,106 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:19,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2023-12-02 22:49:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:19,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:19,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:19,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:20,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2023-12-02 22:49:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:20,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:20,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:20,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:20,238 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:20,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2023-12-02 22:49:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:20,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:20,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:20,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:21,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2023-12-02 22:49:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:21,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:21,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:21,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:21,417 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:21,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2023-12-02 22:49:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:21,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:21,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:21,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:22,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2023-12-02 22:49:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:22,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:22,606 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:22,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2023-12-02 22:49:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:22,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:22,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:22,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:23,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2023-12-02 22:49:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:23,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:23,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:23,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:23,686 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:23,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2023-12-02 22:49:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:23,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:23,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:23,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:24,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2023-12-02 22:49:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:24,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:24,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:24,864 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2023-12-02 22:49:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:25,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:25,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:25,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:25,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (492)] Ended with exit code 0 [2023-12-02 22:49:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:25,930 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:25,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:25,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:25,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:25,931 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:25,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2023-12-02 22:49:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:26,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:26,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:26,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:26,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2023-12-02 22:49:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:26,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:26,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:26,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:26,965 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:26,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2023-12-02 22:49:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:27,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:27,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:27,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:28,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2023-12-02 22:49:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:28,009 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:28,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:28,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:28,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:28,010 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:28,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2023-12-02 22:49:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:28,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:28,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:28,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:29,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2023-12-02 22:49:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:29,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:29,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:29,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:29,209 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:29,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2023-12-02 22:49:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:29,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:29,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:29,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:30,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2023-12-02 22:49:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:30,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:30,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:30,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:30,254 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:30,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2023-12-02 22:49:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:30,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:30,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:30,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:31,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2023-12-02 22:49:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:31,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:31,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:31,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:31,302 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:31,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2023-12-02 22:49:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:31,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:31,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:31,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:32,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (498)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:32,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:32,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:32,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:32,348 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:32,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2023-12-02 22:49:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:32,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:32,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:32,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:33,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (499)] Ended with exit code 0 [2023-12-02 22:49:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:33,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:33,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:33,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:33,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:33,547 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:33,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2023-12-02 22:49:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:33,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:33,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:33,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:34,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2023-12-02 22:49:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:34,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:34,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:34,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:34,566 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:34,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2023-12-02 22:49:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:34,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:34,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:34,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:35,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2023-12-02 22:49:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:35,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:35,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:35,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:35,602 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:35,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2023-12-02 22:49:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:35,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:35,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:35,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:36,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (502)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:36,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:36,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:36,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:36,623 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:36,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2023-12-02 22:49:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:36,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:36,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:36,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:37,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2023-12-02 22:49:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:37,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:37,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:37,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:37,787 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:37,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2023-12-02 22:49:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:38,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:38,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:38,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:38,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:38,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2023-12-02 22:49:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:38,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:38,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:38,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:38,805 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:38,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2023-12-02 22:49:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:39,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:39,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:39,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:39,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2023-12-02 22:49:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:39,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:39,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:39,843 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:39,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2023-12-02 22:49:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:40,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:40,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:40,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:40,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (506)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:40,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:40,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:40,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:40,884 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:40,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2023-12-02 22:49:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:41,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:41,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:41,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:41,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (507)] Ended with exit code 0 [2023-12-02 22:49:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:41,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:41,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:41,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:41,918 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:41,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2023-12-02 22:49:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:42,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:42,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:42,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:43,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2023-12-02 22:49:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:43,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:43,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:43,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:43,114 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:43,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2023-12-02 22:49:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:43,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:43,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:43,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:44,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2023-12-02 22:49:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:44,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:44,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:44,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:44,146 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:44,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2023-12-02 22:49:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:44,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:44,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:44,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:45,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2023-12-02 22:49:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:45,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:45,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:45,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:45,185 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:45,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2023-12-02 22:49:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:45,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:45,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:45,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:46,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2023-12-02 22:49:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:46,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:46,249 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:46,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2023-12-02 22:49:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:46,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:46,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:46,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:47,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (512)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:47,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:47,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:47,431 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:47,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2023-12-02 22:49:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:47,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:47,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:47,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:48,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2023-12-02 22:49:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:48,632 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:48,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:48,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:48,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:48,634 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:48,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2023-12-02 22:49:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:48,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:48,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:48,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:49,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (514)] Ended with exit code 0 [2023-12-02 22:49:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:49,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:49,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:49,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:49,729 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:49,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2023-12-02 22:49:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:49,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:49,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:49,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:50,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2023-12-02 22:49:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:50,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:50,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:50,821 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:50,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2023-12-02 22:49:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:51,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:51,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:51,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:51,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2023-12-02 22:49:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:51,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:51,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:51,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:51,917 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:51,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2023-12-02 22:49:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:52,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:52,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:52,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:52,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2023-12-02 22:49:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:53,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:53,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:53,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:53,003 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:53,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2023-12-02 22:49:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:53,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:54,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2023-12-02 22:49:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:54,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:54,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:54,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:54,106 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:54,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2023-12-02 22:49:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:54,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:54,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:54,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:55,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2023-12-02 22:49:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:55,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:55,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:55,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:55,183 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:55,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2023-12-02 22:49:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:55,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:55,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:55,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:56,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2023-12-02 22:49:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:56,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:56,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:56,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:56,268 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2023-12-02 22:49:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:56,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:56,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:56,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:57,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2023-12-02 22:49:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:57,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:57,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:57,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:57,382 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:57,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2023-12-02 22:49:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:57,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:57,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:57,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:58,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2023-12-02 22:49:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:58,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:58,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:58,445 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:58,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2023-12-02 22:49:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:58,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:58,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:58,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:49:59,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2023-12-02 22:49:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:49:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:49:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:49:59,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:59,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:59,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:59,462 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:59,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2023-12-02 22:49:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:59,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:59,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:49:59,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:00,530 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:00,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2023-12-02 22:50:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:00,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:00,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:00,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:00,563 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:00,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2023-12-02 22:50:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:00,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:00,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:00,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:01,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2023-12-02 22:50:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:01,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:01,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:01,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:01,673 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:01,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2023-12-02 22:50:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:01,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:01,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:01,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:02,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2023-12-02 22:50:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:02,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:02,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:02,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:02,772 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:02,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2023-12-02 22:50:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:02,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:03,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:03,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:03,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2023-12-02 22:50:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:03,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:03,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:03,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:03,809 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:03,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2023-12-02 22:50:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:04,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:04,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:04,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:05,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2023-12-02 22:50:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:05,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:05,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:05,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:05,043 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:05,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2023-12-02 22:50:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:05,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:05,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:05,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:06,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2023-12-02 22:50:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:06,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:06,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:06,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:06,072 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:06,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2023-12-02 22:50:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:06,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:06,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:06,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:07,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2023-12-02 22:50:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:07,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:07,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:07,128 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:07,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2023-12-02 22:50:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:07,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:07,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:07,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:08,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2023-12-02 22:50:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:08,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:08,156 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:08,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2023-12-02 22:50:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:08,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:08,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:08,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:09,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2023-12-02 22:50:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:09,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:09,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:09,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:09,180 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:09,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2023-12-02 22:50:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:09,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:09,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:09,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:10,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2023-12-02 22:50:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:10,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:10,291 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:10,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:10,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:10,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:10,292 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:10,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2023-12-02 22:50:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:10,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:10,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:10,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:11,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2023-12-02 22:50:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:11,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:11,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:11,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:11,387 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:11,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2023-12-02 22:50:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:11,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:11,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:11,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:12,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (535)] Forceful destruction successful, exit code 0 [2023-12-02 22:50:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:12,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:12,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:12,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:12,447 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:12,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2023-12-02 22:50:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:12,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:12,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:12,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:13,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2023-12-02 22:50:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:13,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:13,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:13,519 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:13,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2023-12-02 22:50:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:13,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:13,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:13,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:14,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2023-12-02 22:50:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:14,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:14,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:14,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:14,552 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:14,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2023-12-02 22:50:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:14,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:14,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:14,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:15,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2023-12-02 22:50:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:15,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:15,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:15,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:15,668 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:15,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2023-12-02 22:50:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:15,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:15,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:15,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:16,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2023-12-02 22:50:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:16,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:16,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:16,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:16,729 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:16,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2023-12-02 22:50:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:16,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:16,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:16,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:17,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (540)] Forceful destruction successful, exit code 0 [2023-12-02 22:50:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:17,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:17,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:17,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:17,753 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:17,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2023-12-02 22:50:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:17,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:18,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:18,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:18,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2023-12-02 22:50:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:18,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:18,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:18,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:18,807 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:18,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2023-12-02 22:50:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:19,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:19,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:19,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:19,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2023-12-02 22:50:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:19,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:19,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:19,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:19,985 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:19,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2023-12-02 22:50:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:20,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:20,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:20,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:21,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (543)] Ended with exit code 0 [2023-12-02 22:50:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:21,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:21,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:21,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:21,029 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:21,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2023-12-02 22:50:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:21,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:21,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:21,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:22,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2023-12-02 22:50:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:22,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:22,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:22,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:22,101 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:22,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2023-12-02 22:50:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:22,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:22,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:22,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:23,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2023-12-02 22:50:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:23,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:23,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:23,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:23,148 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2023-12-02 22:50:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:23,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:23,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:23,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:24,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2023-12-02 22:50:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:24,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:24,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:24,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:24,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:24,265 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:24,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2023-12-02 22:50:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:24,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:24,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:24,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:25,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (547)] Ended with exit code 0 [2023-12-02 22:50:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:25,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:25,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:25,369 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:25,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2023-12-02 22:50:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:25,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:25,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:25,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:26,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2023-12-02 22:50:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:26,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:26,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:26,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:26,532 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:26,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2023-12-02 22:50:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:26,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:26,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:26,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:27,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (549)] Ended with exit code 0 [2023-12-02 22:50:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:27,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:27,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:27,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:27,596 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:27,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2023-12-02 22:50:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:27,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:27,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:27,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:28,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2023-12-02 22:50:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:28,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:28,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:28,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:28,880 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:28,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2023-12-02 22:50:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:29,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:29,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:29,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:29,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (551)] Ended with exit code 0 [2023-12-02 22:50:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:29,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:29,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:29,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:29,959 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:29,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2023-12-02 22:50:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:30,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:30,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:30,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:31,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (552)] Ended with exit code 0 [2023-12-02 22:50:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:31,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:31,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:31,026 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:31,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2023-12-02 22:50:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:31,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:31,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:31,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:32,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2023-12-02 22:50:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:32,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:32,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:32,114 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:32,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2023-12-02 22:50:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:32,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:32,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:32,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:33,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2023-12-02 22:50:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:33,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:33,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:33,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:33,233 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:33,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2023-12-02 22:50:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:33,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:33,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:33,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:34,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (555)] Ended with exit code 0 [2023-12-02 22:50:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:34,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:34,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:34,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:34,268 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:34,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2023-12-02 22:50:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:34,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:34,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:34,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:35,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2023-12-02 22:50:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:35,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:35,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:35,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:35,327 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:35,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2023-12-02 22:50:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:35,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:35,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:35,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:36,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2023-12-02 22:50:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:36,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:36,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:36,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:36,348 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:36,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2023-12-02 22:50:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:36,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:36,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:36,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:37,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2023-12-02 22:50:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:37,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:37,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:37,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:37,453 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:37,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2023-12-02 22:50:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:37,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:37,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:37,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:38,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2023-12-02 22:50:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:38,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:38,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:38,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:38,568 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:38,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2023-12-02 22:50:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:38,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:38,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:38,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:39,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2023-12-02 22:50:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:39,581 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:39,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:39,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:39,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:39,582 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:39,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2023-12-02 22:50:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:39,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:39,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:39,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:40,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2023-12-02 22:50:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:40,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:40,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:40,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:40,606 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:40,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2023-12-02 22:50:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:40,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:40,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:40,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:41,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2023-12-02 22:50:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:41,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:41,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:41,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:41,688 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:41,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2023-12-02 22:50:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:41,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:41,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:41,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:42,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2023-12-02 22:50:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:42,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:42,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:42,828 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:42,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2023-12-02 22:50:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:43,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:43,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:43,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:43,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (564)] Ended with exit code 0 [2023-12-02 22:50:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:43,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:43,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:43,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:43,870 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:43,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2023-12-02 22:50:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:44,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:44,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:44,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:44,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2023-12-02 22:50:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:44,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:44,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:44,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:45,000 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:45,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2023-12-02 22:50:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:45,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:45,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:45,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:46,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2023-12-02 22:50:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:46,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:46,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:46,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:46,309 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:46,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2023-12-02 22:50:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:46,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:46,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:46,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:47,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2023-12-02 22:50:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:47,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:47,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:47,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:47,350 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:47,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2023-12-02 22:50:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:47,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:47,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:47,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:48,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2023-12-02 22:50:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:48,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:48,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:48,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:48,426 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:48,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2023-12-02 22:50:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:48,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:48,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:48,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:49,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2023-12-02 22:50:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:49,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:49,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:49,495 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:49,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2023-12-02 22:50:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:49,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:49,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:50:49,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:50,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2023-12-02 22:50:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:50,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:50,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:50,606 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2023-12-02 22:50:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:50,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:50,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:50,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:51,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2023-12-02 22:50:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:51,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:51,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:51,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:51,685 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:51,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2023-12-02 22:50:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:51,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:51,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:51,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:52,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2023-12-02 22:50:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:52,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:52,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:52,757 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:52,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2023-12-02 22:50:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:53,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:53,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:53,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:53,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2023-12-02 22:50:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:53,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:53,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:53,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:53,881 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:53,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2023-12-02 22:50:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:54,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:54,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:54,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:54,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2023-12-02 22:50:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:54,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:54,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:54,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:54,918 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2023-12-02 22:50:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:55,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:55,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:55,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:55,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2023-12-02 22:50:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:55,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:55,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:55,936 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2023-12-02 22:50:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:56,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:56,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:56,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:56,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (576)] Ended with exit code 0 [2023-12-02 22:50:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:56,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:56,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:56,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:56,960 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:56,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2023-12-02 22:50:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:57,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:57,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:57,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:57,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2023-12-02 22:50:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:57,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:57,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:57,988 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:57,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2023-12-02 22:50:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:58,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:58,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:58,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:50:59,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (578)] Forceful destruction successful, exit code 0 [2023-12-02 22:50:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:50:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:50:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:50:59,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:59,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:59,019 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:59,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2023-12-02 22:50:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:59,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:59,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:50:59,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:00,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2023-12-02 22:51:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:00,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:00,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:00,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:00,035 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:00,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2023-12-02 22:51:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:00,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:00,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:00,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:01,131 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:01,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2023-12-02 22:51:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:01,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:01,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:01,168 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:01,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2023-12-02 22:51:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:01,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:01,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:01,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:02,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2023-12-02 22:51:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:02,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:02,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:02,232 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:02,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2023-12-02 22:51:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:02,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:02,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:02,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:03,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2023-12-02 22:51:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:03,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:03,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:03,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:03,293 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:03,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2023-12-02 22:51:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:03,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:03,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:03,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:04,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (583)] Ended with exit code 0 [2023-12-02 22:51:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:04,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:04,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:04,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:04,362 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:04,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2023-12-02 22:51:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:04,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:04,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:04,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:05,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2023-12-02 22:51:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:05,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:05,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:05,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:05,472 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:05,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2023-12-02 22:51:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:05,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:05,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:05,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:06,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2023-12-02 22:51:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:06,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:06,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:06,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:06,519 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:06,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2023-12-02 22:51:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:06,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:06,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:06,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:07,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (586)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:07,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:07,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:07,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:07,558 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:07,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2023-12-02 22:51:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:07,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:07,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:07,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:08,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2023-12-02 22:51:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:08,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:08,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:08,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:08,747 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:08,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2023-12-02 22:51:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:08,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:08,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:08,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:09,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2023-12-02 22:51:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:09,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:09,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:09,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:09,997 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:09,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2023-12-02 22:51:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:10,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:10,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:10,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:11,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2023-12-02 22:51:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:11,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:11,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:11,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:11,031 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2023-12-02 22:51:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:11,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:11,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:11,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:12,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (590)] Ended with exit code 0 [2023-12-02 22:51:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:12,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:12,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:12,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:12,113 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:12,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2023-12-02 22:51:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:12,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:12,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:12,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:13,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2023-12-02 22:51:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:13,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:13,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:13,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:13,316 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:13,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2023-12-02 22:51:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:13,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:13,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:13,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:14,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (592)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:14,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:14,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:14,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:14,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:14,432 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:14,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2023-12-02 22:51:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:14,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:14,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:14,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:15,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2023-12-02 22:51:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:15,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:15,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:15,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:15,472 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:15,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2023-12-02 22:51:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:15,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:15,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:15,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:16,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2023-12-02 22:51:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:16,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:16,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:16,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:16,530 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2023-12-02 22:51:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:16,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:16,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:16,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:17,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2023-12-02 22:51:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:17,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:17,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:17,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:17,637 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:17,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2023-12-02 22:51:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:17,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:17,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:17,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:18,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2023-12-02 22:51:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:18,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:18,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:18,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:18,745 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:18,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2023-12-02 22:51:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:18,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:19,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:19,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:19,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (597)] Ended with exit code 0 [2023-12-02 22:51:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:19,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:19,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:19,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:19,809 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:19,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2023-12-02 22:51:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:20,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:20,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:20,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:20,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2023-12-02 22:51:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:20,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:20,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:20,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:20,833 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:20,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2023-12-02 22:51:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:21,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:21,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:21,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:21,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (599)] Ended with exit code 0 [2023-12-02 22:51:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:21,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:21,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:21,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:21,873 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:21,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2023-12-02 22:51:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:22,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:22,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:22,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:23,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2023-12-02 22:51:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:23,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:23,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:23,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:23,044 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:23,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2023-12-02 22:51:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:23,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:23,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:23,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:24,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2023-12-02 22:51:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:24,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:24,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:24,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:24,091 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2023-12-02 22:51:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:24,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:24,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:24,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:25,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2023-12-02 22:51:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:25,230 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:25,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:25,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:25,231 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:25,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2023-12-02 22:51:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:25,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:25,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:25,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:26,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2023-12-02 22:51:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:26,304 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:26,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:26,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:26,305 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:26,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2023-12-02 22:51:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:26,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:26,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:26,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:27,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2023-12-02 22:51:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:27,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:27,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:27,415 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:27,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2023-12-02 22:51:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:27,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:27,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:27,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:28,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2023-12-02 22:51:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:28,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:28,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:28,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:28,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:28,476 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:28,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2023-12-02 22:51:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:28,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:28,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:28,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:29,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2023-12-02 22:51:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:29,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:29,527 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:29,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2023-12-02 22:51:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:29,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:29,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:29,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:30,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2023-12-02 22:51:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:30,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:30,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:30,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:30,722 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:30,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2023-12-02 22:51:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:30,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:30,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:30,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:31,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (608)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:31,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:31,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:31,932 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:31,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2023-12-02 22:51:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:32,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:32,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:32,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:32,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2023-12-02 22:51:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:32,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:32,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:32,984 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:32,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2023-12-02 22:51:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:33,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:33,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:33,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:34,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2023-12-02 22:51:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:34,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:34,069 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:34,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2023-12-02 22:51:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:34,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:34,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:34,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:35,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2023-12-02 22:51:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:35,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:35,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:35,106 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:35,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2023-12-02 22:51:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:35,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:35,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:35,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:36,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2023-12-02 22:51:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:36,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:36,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:36,229 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:36,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2023-12-02 22:51:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:36,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:36,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:36,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:37,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (613)] Ended with exit code 0 [2023-12-02 22:51:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:37,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:37,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:37,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:37,269 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:37,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2023-12-02 22:51:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:37,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:37,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:37,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:38,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2023-12-02 22:51:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:38,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:38,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:38,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:38,299 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:38,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2023-12-02 22:51:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:38,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:38,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:38,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:39,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2023-12-02 22:51:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:39,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:39,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:39,335 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:39,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2023-12-02 22:51:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:39,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:39,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:40,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2023-12-02 22:51:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:40,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:40,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:40,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:40,471 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:40,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2023-12-02 22:51:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:40,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:41,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2023-12-02 22:51:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:41,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:41,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:41,485 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:41,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2023-12-02 22:51:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:41,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:41,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:41,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:42,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2023-12-02 22:51:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:42,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:42,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:42,520 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:42,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2023-12-02 22:51:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:42,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:42,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:42,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:43,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2023-12-02 22:51:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:43,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:43,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:43,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:43,580 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:43,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2023-12-02 22:51:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:43,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:43,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:43,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:44,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (620)] Ended with exit code 0 [2023-12-02 22:51:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:44,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:44,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:44,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:44,653 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:44,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2023-12-02 22:51:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:44,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:44,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:44,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:45,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2023-12-02 22:51:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:45,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:45,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:45,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:45,666 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:45,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2023-12-02 22:51:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:45,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:45,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:45,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:46,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (622)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:46,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:46,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:46,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:46,772 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:46,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2023-12-02 22:51:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:46,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:47,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:47,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:47,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2023-12-02 22:51:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:47,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:47,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:47,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:47,800 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:47,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2023-12-02 22:51:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:48,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:48,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:48,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:48,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2023-12-02 22:51:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:48,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:48,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:48,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:48,828 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:48,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2023-12-02 22:51:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:49,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:49,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:49,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:49,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2023-12-02 22:51:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:49,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:49,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:49,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:49,938 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:49,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2023-12-02 22:51:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:50,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:50,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:50,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:51,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2023-12-02 22:51:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:51,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:51,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:51,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:51,056 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:51,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2023-12-02 22:51:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:51,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:51,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:51,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:52,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (627)] Ended with exit code 0 [2023-12-02 22:51:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:52,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:52,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:52,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:52,371 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:52,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2023-12-02 22:51:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:52,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:52,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:52,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:53,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2023-12-02 22:51:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:53,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:53,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:53,422 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:53,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2023-12-02 22:51:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:53,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:53,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:53,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:54,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (629)] Ended with exit code 0 [2023-12-02 22:51:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:54,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:54,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:54,670 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:54,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2023-12-02 22:51:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:54,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:54,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:54,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:55,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2023-12-02 22:51:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:55,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:55,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:55,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:55,901 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:55,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2023-12-02 22:51:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:56,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:56,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:56,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:56,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2023-12-02 22:51:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:56,948 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:56,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:56,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:56,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:56,949 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:56,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2023-12-02 22:51:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:57,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:57,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:57,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:57,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (632)] Forceful destruction successful, exit code 0 [2023-12-02 22:51:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:57,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:57,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:57,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:57,996 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:57,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2023-12-02 22:51:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:58,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:58,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:51:58,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:51:59,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2023-12-02 22:51:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:51:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:51:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:51:59,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:59,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:59,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:59,152 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:59,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2023-12-02 22:51:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:59,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:59,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:51:59,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:00,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2023-12-02 22:52:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:00,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:00,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:00,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:00,251 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:00,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2023-12-02 22:52:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:00,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:00,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:00,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:01,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (635)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:01,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:01,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:01,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:01,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:01,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:01,352 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:01,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2023-12-02 22:52:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:01,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:01,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:01,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:02,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (636)] Ended with exit code 0 [2023-12-02 22:52:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:02,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:02,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:02,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:02,394 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:02,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2023-12-02 22:52:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:02,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:02,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:02,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:03,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (637)] Ended with exit code 0 [2023-12-02 22:52:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:03,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:03,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:03,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:03,644 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:03,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2023-12-02 22:52:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:03,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:03,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:04,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (638)] Ended with exit code 0 [2023-12-02 22:52:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:04,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:04,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:04,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:04,756 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:04,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2023-12-02 22:52:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:04,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:05,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:05,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:05,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (639)] Ended with exit code 0 [2023-12-02 22:52:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:05,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:05,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:05,786 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:05,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2023-12-02 22:52:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:06,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:06,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:06,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:06,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (640)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:06,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:06,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:06,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:06,839 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2023-12-02 22:52:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:07,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:07,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:07,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:07,970 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:07,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2023-12-02 22:52:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:07,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:07,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:07,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:07,977 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:07,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2023-12-02 22:52:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:08,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:08,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:08,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:09,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (642)] Ended with exit code 0 [2023-12-02 22:52:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:09,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:09,094 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:09,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2023-12-02 22:52:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:09,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:09,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:09,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:10,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (643)] Ended with exit code 0 [2023-12-02 22:52:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:10,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:10,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:10,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:10,112 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:10,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2023-12-02 22:52:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:10,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:10,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:10,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:11,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (644)] Ended with exit code 0 [2023-12-02 22:52:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:11,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:11,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:11,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:11,129 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:11,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2023-12-02 22:52:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:11,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:11,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:11,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:12,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (645)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:12,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:12,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:12,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:12,199 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:12,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2023-12-02 22:52:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:12,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:12,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:12,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:13,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2023-12-02 22:52:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:13,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:13,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:13,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:13,299 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:13,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2023-12-02 22:52:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:13,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:13,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:13,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:14,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (647)] Ended with exit code 0 [2023-12-02 22:52:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:14,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:14,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:14,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:14,338 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:14,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2023-12-02 22:52:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:14,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:14,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:14,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:15,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2023-12-02 22:52:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:15,369 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:15,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:15,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:15,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:15,370 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:15,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2023-12-02 22:52:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:15,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:15,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:15,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:16,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (649)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:16,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:16,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:16,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:16,420 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:16,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2023-12-02 22:52:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:16,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:16,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:16,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:17,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2023-12-02 22:52:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:17,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:17,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:17,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:17,505 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:17,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2023-12-02 22:52:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:17,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:17,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:17,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:18,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (651)] Ended with exit code 0 [2023-12-02 22:52:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:18,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:18,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:18,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:18,524 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:18,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2023-12-02 22:52:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:18,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:18,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:18,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:19,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (652)] Ended with exit code 0 [2023-12-02 22:52:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:19,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:19,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:19,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:19,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:19,553 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:19,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2023-12-02 22:52:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:19,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:19,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:19,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:20,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2023-12-02 22:52:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:20,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:20,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:20,566 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:20,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2023-12-02 22:52:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:20,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:20,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:20,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:21,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2023-12-02 22:52:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:21,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:21,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:21,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:21,671 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:21,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2023-12-02 22:52:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:21,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:21,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:21,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:22,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (655)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:22,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:22,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:22,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:22,751 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:22,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2023-12-02 22:52:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:22,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:22,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:22,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:23,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2023-12-02 22:52:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:23,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:23,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:23,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:23,793 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:23,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2023-12-02 22:52:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:24,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:24,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:24,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:24,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (657)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:24,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:24,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:24,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:24,826 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:24,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2023-12-02 22:52:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:25,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:25,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:25,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:25,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (658)] Ended with exit code 0 [2023-12-02 22:52:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:25,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:25,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:25,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:25,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:25,859 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:25,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2023-12-02 22:52:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:26,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:26,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:26,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:26,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (659)] Ended with exit code 0 [2023-12-02 22:52:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:26,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:26,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:26,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:26,953 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:26,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2023-12-02 22:52:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:27,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:27,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:27,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:27,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (660)] Ended with exit code 0 [2023-12-02 22:52:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:27,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:27,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:27,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:27,997 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:27,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2023-12-02 22:52:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:28,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:28,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:28,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:29,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (661)] Ended with exit code 0 [2023-12-02 22:52:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:29,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:29,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:29,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:29,014 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:29,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2023-12-02 22:52:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:29,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:29,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:29,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:30,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (662)] Ended with exit code 0 [2023-12-02 22:52:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:30,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:30,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:30,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:30,051 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:30,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2023-12-02 22:52:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:30,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:30,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:30,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:31,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (663)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:31,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:31,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:31,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:31,160 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2023-12-02 22:52:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:31,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:31,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:31,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:32,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2023-12-02 22:52:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:32,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:32,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:32,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:32,183 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:32,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2023-12-02 22:52:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:32,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:32,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:32,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:33,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (665)] Ended with exit code 0 [2023-12-02 22:52:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:33,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:33,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:33,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:33,222 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:33,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2023-12-02 22:52:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:33,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:33,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:33,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:34,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (666)] Ended with exit code 0 [2023-12-02 22:52:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:34,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:34,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:34,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:34,276 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:34,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2023-12-02 22:52:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:34,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:34,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:34,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:35,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (667)] Ended with exit code 0 [2023-12-02 22:52:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:35,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:35,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:35,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:35,369 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:35,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2023-12-02 22:52:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:35,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:35,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:35,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:36,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (668)] Ended with exit code 0 [2023-12-02 22:52:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:36,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:36,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:36,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:36,391 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:36,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2023-12-02 22:52:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:36,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:36,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:36,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:37,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2023-12-02 22:52:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:37,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:37,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:37,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:37,434 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:37,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2023-12-02 22:52:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:37,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:37,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:37,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:38,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (670)] Ended with exit code 0 [2023-12-02 22:52:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:38,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:38,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:38,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:38,459 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:38,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2023-12-02 22:52:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:38,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:38,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:38,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:39,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2023-12-02 22:52:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:39,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:39,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:39,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:39,555 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:39,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2023-12-02 22:52:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:39,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:39,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:39,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:40,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2023-12-02 22:52:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:40,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:40,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:40,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:40,594 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:40,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2023-12-02 22:52:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:40,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:40,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:40,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:41,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (673)] Ended with exit code 0 [2023-12-02 22:52:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:41,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:41,624 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:41,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2023-12-02 22:52:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:41,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:41,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:41,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:42,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (674)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:42,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:42,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:42,642 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:42,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2023-12-02 22:52:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:42,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:42,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:42,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:43,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (675)] Ended with exit code 0 [2023-12-02 22:52:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:43,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:43,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:43,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:43,749 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:43,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2023-12-02 22:52:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:43,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:43,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:43,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:44,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2023-12-02 22:52:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:44,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:44,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:44,788 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:44,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2023-12-02 22:52:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:45,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:45,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:45,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:45,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (677)] Ended with exit code 0 [2023-12-02 22:52:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:45,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:45,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:45,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:45,807 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2023-12-02 22:52:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:46,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:46,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:46,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:46,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2023-12-02 22:52:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:46,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:46,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:46,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:46,828 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:46,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2023-12-02 22:52:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:47,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:47,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:47,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:47,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (679)] Ended with exit code 0 [2023-12-02 22:52:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:47,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:47,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:47,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:47,867 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:47,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2023-12-02 22:52:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:48,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:48,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:48,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:48,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2023-12-02 22:52:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:48,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:48,942 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:48,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2023-12-02 22:52:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:49,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:49,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:49,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:49,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (681)] Ended with exit code 0 [2023-12-02 22:52:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:49,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:49,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:49,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:49,956 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:49,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2023-12-02 22:52:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:50,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:50,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:50,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:50,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (682)] Ended with exit code 0 [2023-12-02 22:52:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:50,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:50,993 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2023-12-02 22:52:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:51,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:51,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:51,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:52,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (683)] Ended with exit code 0 [2023-12-02 22:52:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:52,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:52,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:52,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:52,101 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:52,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2023-12-02 22:52:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:52,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:52,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:52,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:53,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (684)] Ended with exit code 0 [2023-12-02 22:52:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:53,145 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:53,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:53,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:53,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:53,146 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:53,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2023-12-02 22:52:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:53,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:53,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:53,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:54,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2023-12-02 22:52:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:54,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:54,184 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:54,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2023-12-02 22:52:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:54,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:54,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:54,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:55,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (686)] Ended with exit code 0 [2023-12-02 22:52:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:55,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:55,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:55,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:55,216 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:55,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2023-12-02 22:52:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:55,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:55,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:55,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:56,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (687)] Ended with exit code 0 [2023-12-02 22:52:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:56,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:56,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:56,256 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:56,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2023-12-02 22:52:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:56,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:56,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:52:56,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:57,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (688)] Ended with exit code 0 [2023-12-02 22:52:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:57,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:57,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:57,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:57,375 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:57,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2023-12-02 22:52:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:57,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:57,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:57,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:58,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (689)] Ended with exit code 0 [2023-12-02 22:52:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:58,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:58,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:58,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:58,395 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:58,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2023-12-02 22:52:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:58,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:58,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:58,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:52:59,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (690)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:52:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:52:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:52:59,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:59,436 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:59,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2023-12-02 22:52:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:59,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:59,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:52:59,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:00,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (691)] Ended with exit code 0 [2023-12-02 22:53:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:00,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:00,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:00,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:00,472 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:00,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2023-12-02 22:53:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:00,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:00,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:00,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:01,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (692)] Forceful destruction successful, exit code 0 [2023-12-02 22:53:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:01,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:01,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:01,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:01,559 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:01,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2023-12-02 22:53:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:01,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:01,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:01,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:02,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (693)] Ended with exit code 0 [2023-12-02 22:53:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:02,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:02,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:02,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:02,595 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:02,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2023-12-02 22:53:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:02,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:02,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:02,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:03,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2023-12-02 22:53:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:03,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:03,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:03,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:03,631 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:03,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2023-12-02 22:53:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:03,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:03,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:04,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (695)] Ended with exit code 0 [2023-12-02 22:53:04,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:04,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:04,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:04,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:04,677 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:04,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2023-12-02 22:53:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:04,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:04,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:04,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:05,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2023-12-02 22:53:05,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:05,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:05,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:05,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:05,772 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2023-12-02 22:53:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:05,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:06,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:06,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:06,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2023-12-02 22:53:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:06,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:06,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:06,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:06,797 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:06,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2023-12-02 22:53:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:07,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:07,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:07,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:07,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2023-12-02 22:53:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:07,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:07,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:07,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:07,818 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:07,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2023-12-02 22:53:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:08,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:08,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:08,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:08,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (699)] Forceful destruction successful, exit code 0 [2023-12-02 22:53:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:08,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:08,853 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:08,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2023-12-02 22:53:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:09,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:09,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:09,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:09,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (700)] Ended with exit code 0 [2023-12-02 22:53:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:09,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:09,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:09,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:09,977 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:09,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2023-12-02 22:53:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:10,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:10,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:10,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:11,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (701)] Ended with exit code 0 [2023-12-02 22:53:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:11,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:11,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:11,016 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:11,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2023-12-02 22:53:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:11,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:11,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:11,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:12,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2023-12-02 22:53:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:12,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:12,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:12,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:12,023 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:12,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2023-12-02 22:53:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:12,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:12,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:12,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:13,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2023-12-02 22:53:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:13,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:13,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:13,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:13,106 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:13,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2023-12-02 22:53:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:13,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:13,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:13,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:14,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2023-12-02 22:53:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:14,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:14,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:14,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:14,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:14,222 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:14,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2023-12-02 22:53:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:14,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:14,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:14,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:15,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2023-12-02 22:53:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:15,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:15,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:15,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:15,266 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2023-12-02 22:53:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:15,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:15,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:15,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:16,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2023-12-02 22:53:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:16,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:16,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:16,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:16,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:16,309 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:16,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2023-12-02 22:53:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:16,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:16,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:16,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:17,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (707)] Ended with exit code 0 [2023-12-02 22:53:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:17,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:17,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:17,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:17,347 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:17,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2023-12-02 22:53:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:17,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:17,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:17,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:18,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2023-12-02 22:53:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:18,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:18,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:18,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:18,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:18,452 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:18,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2023-12-02 22:53:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:18,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:18,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:18,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2023-12-02 22:53:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:19,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:19,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:19,490 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:19,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2023-12-02 22:53:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:19,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:19,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:19,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:20,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2023-12-02 22:53:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:20,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:20,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:20,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:20,515 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:20,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2023-12-02 22:53:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:20,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:20,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:20,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:21,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2023-12-02 22:53:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:21,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:21,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:21,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:21,546 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:21,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2023-12-02 22:53:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:21,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:21,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:21,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:22,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (712)] Ended with exit code 0 [2023-12-02 22:53:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:22,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:22,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:22,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:22,640 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:22,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2023-12-02 22:53:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:22,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:22,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:22,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:23,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2023-12-02 22:53:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:23,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:23,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:23,700 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:23,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2023-12-02 22:53:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:23,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:23,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:23,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:24,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2023-12-02 22:53:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:24,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:24,735 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:24,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2023-12-02 22:53:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:24,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:24,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:24,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:25,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (715)] Ended with exit code 0 [2023-12-02 22:53:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:25,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:25,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:25,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:25,785 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:25,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2023-12-02 22:53:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:26,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:26,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:26,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:26,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2023-12-02 22:53:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:26,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:26,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:26,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:26,876 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:26,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2023-12-02 22:53:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:27,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:27,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:27,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:27,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2023-12-02 22:53:27,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:27,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:27,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:27,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:27,909 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:27,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2023-12-02 22:53:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:28,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:28,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:28,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:28,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (718)] Ended with exit code 0 [2023-12-02 22:53:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:28,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:28,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:28,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:28,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:28,935 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:28,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2023-12-02 22:53:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:29,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:29,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:29,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:29,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2023-12-02 22:53:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:29,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:29,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:29,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:29,970 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:29,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2023-12-02 22:53:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:30,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:30,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:30,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:31,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2023-12-02 22:53:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:31,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:31,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:31,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:31,074 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:31,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2023-12-02 22:53:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:31,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:31,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:31,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:32,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (721)] Forceful destruction successful, exit code 0 [2023-12-02 22:53:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:32,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:32,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:32,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:32,109 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:32,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2023-12-02 22:53:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:32,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:32,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:32,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:33,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (722)] Ended with exit code 0 [2023-12-02 22:53:33,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:33,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:33,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:33,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:33,158 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:33,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2023-12-02 22:53:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:33,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:33,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:33,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:34,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2023-12-02 22:53:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:34,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:34,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:34,199 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:34,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2023-12-02 22:53:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:34,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:34,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:34,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:35,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (724)] Ended with exit code 0 [2023-12-02 22:53:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:35,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:35,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:35,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:35,311 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:35,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2023-12-02 22:53:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:35,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:35,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:35,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:36,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (725)] Ended with exit code 0 [2023-12-02 22:53:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:36,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:36,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:36,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:36,332 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:36,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2023-12-02 22:53:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:36,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:36,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:36,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:37,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (726)] Ended with exit code 0 [2023-12-02 22:53:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:37,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:37,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:37,377 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:37,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2023-12-02 22:53:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:37,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:37,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:37,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:38,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2023-12-02 22:53:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:38,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:38,424 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:38,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2023-12-02 22:53:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:38,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:38,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:39,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2023-12-02 22:53:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:39,503 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:39,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:39,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:39,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:39,504 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:39,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2023-12-02 22:53:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:39,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:39,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:39,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:40,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2023-12-02 22:53:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:40,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:40,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:40,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:40,526 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:40,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2023-12-02 22:53:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:40,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:40,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:40,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:41,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (730)] Forceful destruction successful, exit code 0 [2023-12-02 22:53:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:41,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:41,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:41,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:41,557 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:41,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2023-12-02 22:53:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:41,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:41,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:41,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:42,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (731)] Ended with exit code 0 [2023-12-02 22:53:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:42,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:42,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:42,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:42,620 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2023-12-02 22:53:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:42,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:42,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:42,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:43,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (732)] Ended with exit code 0 [2023-12-02 22:53:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:43,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:43,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:43,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:43,657 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2023-12-02 22:53:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:43,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:43,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:43,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:44,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2023-12-02 22:53:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:44,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:44,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:44,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:44,757 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:44,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2023-12-02 22:53:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:44,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:45,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:45,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:45,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2023-12-02 22:53:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:45,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:45,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:45,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:45,797 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:45,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2023-12-02 22:53:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:46,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:46,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:46,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:46,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2023-12-02 22:53:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:46,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:46,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:46,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:46,821 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:46,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2023-12-02 22:53:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:47,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:47,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:47,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:47,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2023-12-02 22:53:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:47,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:47,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:47,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:47,854 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:47,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2023-12-02 22:53:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:48,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:48,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:48,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:48,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2023-12-02 22:53:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:48,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:48,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:48,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:48,952 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:48,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2023-12-02 22:53:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:49,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:49,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:49,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:49,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2023-12-02 22:53:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:49,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:49,983 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:49,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2023-12-02 22:53:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:50,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:50,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:50,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:51,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2023-12-02 22:53:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:51,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:51,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:51,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:51,044 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:51,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2023-12-02 22:53:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:51,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:51,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:51,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:52,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2023-12-02 22:53:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:52,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:52,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:52,080 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:52,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2023-12-02 22:53:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:52,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:52,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:52,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:53,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2023-12-02 22:53:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:53,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:53,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:53,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:53,189 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:53,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2023-12-02 22:53:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:53,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:53,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:53,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:54,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2023-12-02 22:53:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:54,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:54,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:54,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:54,221 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:54,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2023-12-02 22:53:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:54,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:54,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:54,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:55,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (743)] Ended with exit code 0 [2023-12-02 22:53:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:55,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:55,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:55,266 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:55,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2023-12-02 22:53:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:55,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:55,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:55,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:56,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2023-12-02 22:53:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:56,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:56,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:56,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:56,294 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:56,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2023-12-02 22:53:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:56,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:56,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:53:56,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:57,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2023-12-02 22:53:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:57,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:57,373 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:57,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2023-12-02 22:53:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:57,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:57,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:57,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:58,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2023-12-02 22:53:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:58,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:58,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:58,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:58,429 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:58,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2023-12-02 22:53:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:58,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:58,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:58,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:53:59,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2023-12-02 22:53:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:53:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:53:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:53:59,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:59,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:59,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:59,456 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:59,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2023-12-02 22:53:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:59,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:59,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:53:59,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:00,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2023-12-02 22:54:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:00,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:00,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:00,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:00,501 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:00,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2023-12-02 22:54:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:00,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:00,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:00,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:01,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (749)] Ended with exit code 0 [2023-12-02 22:54:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:01,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:01,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:01,619 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2023-12-02 22:54:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:01,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:01,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:01,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:02,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (750)] Ended with exit code 0 [2023-12-02 22:54:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:02,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:02,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:02,671 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:02,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2023-12-02 22:54:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:02,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:02,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:02,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:03,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2023-12-02 22:54:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:03,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:03,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:03,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:03,701 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:03,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2023-12-02 22:54:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:03,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:03,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:03,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:04,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (752)] Ended with exit code 0 [2023-12-02 22:54:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:04,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:04,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:04,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:04,744 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:04,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2023-12-02 22:54:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:04,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:04,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:04,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:05,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (753)] Ended with exit code 0 [2023-12-02 22:54:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:05,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:05,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:05,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:05,847 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2023-12-02 22:54:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:06,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:06,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:06,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:06,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2023-12-02 22:54:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:06,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:06,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:06,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:06,895 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:06,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2023-12-02 22:54:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:07,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:07,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:07,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:07,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2023-12-02 22:54:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:07,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:07,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:07,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:07,924 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:07,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2023-12-02 22:54:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:08,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:08,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:08,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:08,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (756)] Ended with exit code 0 [2023-12-02 22:54:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:08,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:08,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:08,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:08,951 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:08,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2023-12-02 22:54:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:09,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:09,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:09,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:10,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (757)] Ended with exit code 0 [2023-12-02 22:54:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:10,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:10,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:10,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:10,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:10,065 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:10,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2023-12-02 22:54:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:10,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:10,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:10,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:11,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (758)] Ended with exit code 0 [2023-12-02 22:54:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:11,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:11,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:11,077 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:11,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2023-12-02 22:54:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:11,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:11,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:11,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:12,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (759)] Ended with exit code 0 [2023-12-02 22:54:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:12,100 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:12,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:12,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:12,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:12,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:12,101 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:12,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2023-12-02 22:54:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:12,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:12,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:12,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:13,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2023-12-02 22:54:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:13,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:13,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:13,127 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:13,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2023-12-02 22:54:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:13,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:13,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:13,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:14,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (761)] Ended with exit code 0 [2023-12-02 22:54:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:14,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:14,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:14,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:14,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:14,244 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:14,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2023-12-02 22:54:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:14,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:14,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:14,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:15,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (762)] Ended with exit code 0 [2023-12-02 22:54:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:15,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:15,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:15,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:15,293 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:15,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2023-12-02 22:54:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:15,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:16,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (763)] Ended with exit code 0 [2023-12-02 22:54:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:16,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:16,306 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:16,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2023-12-02 22:54:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:16,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:16,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:16,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:17,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2023-12-02 22:54:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:17,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:17,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:17,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:17,337 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:17,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2023-12-02 22:54:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:17,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:17,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:17,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:18,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2023-12-02 22:54:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:18,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:18,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:18,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:18,432 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:18,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2023-12-02 22:54:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:18,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:18,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:18,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:19,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (766)] Ended with exit code 0 [2023-12-02 22:54:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:19,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:19,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:19,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:19,457 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:19,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2023-12-02 22:54:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:19,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:19,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:19,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:20,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (767)] Ended with exit code 0 [2023-12-02 22:54:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:20,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:20,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:20,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:20,490 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:20,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2023-12-02 22:54:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:20,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:20,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:20,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:21,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (768)] Ended with exit code 0 [2023-12-02 22:54:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:21,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:21,539 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:21,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2023-12-02 22:54:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:21,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:22,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2023-12-02 22:54:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:22,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:22,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:22,656 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:22,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2023-12-02 22:54:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:22,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:23,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (770)] Ended with exit code 0 [2023-12-02 22:54:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:23,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:23,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:23,690 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:23,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2023-12-02 22:54:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:23,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:23,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:23,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:24,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (771)] Ended with exit code 0 [2023-12-02 22:54:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:24,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:24,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:24,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:24,744 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:24,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2023-12-02 22:54:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:24,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:24,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:24,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:25,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (772)] Ended with exit code 0 [2023-12-02 22:54:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:25,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:25,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:25,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:25,788 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2023-12-02 22:54:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:26,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:26,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:26,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:26,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2023-12-02 22:54:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:26,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:26,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:26,880 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:26,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2023-12-02 22:54:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:27,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:27,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:27,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:27,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (774)] Ended with exit code 0 [2023-12-02 22:54:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:27,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:27,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:27,898 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:27,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2023-12-02 22:54:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:28,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:28,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:28,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:28,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2023-12-02 22:54:28,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:28,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:28,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:28,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:28,921 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:28,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2023-12-02 22:54:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:29,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:29,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (776)] Ended with exit code 0 [2023-12-02 22:54:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:29,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:29,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:29,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:29,946 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:29,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2023-12-02 22:54:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:30,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:30,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:30,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:31,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (777)] Ended with exit code 0 [2023-12-02 22:54:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:31,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:31,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:31,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:31,052 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:31,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2023-12-02 22:54:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:31,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:31,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:31,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:32,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2023-12-02 22:54:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:32,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:32,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:32,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:32,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:32,082 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:32,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2023-12-02 22:54:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:32,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:32,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:32,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:33,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (779)] Ended with exit code 0 [2023-12-02 22:54:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:33,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:33,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:33,126 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:33,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2023-12-02 22:54:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:33,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:33,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:33,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:34,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (780)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:34,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:34,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:34,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:34,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:34,151 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:34,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2023-12-02 22:54:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:34,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:34,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:34,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:35,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2023-12-02 22:54:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:35,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:35,177 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:35,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2023-12-02 22:54:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:35,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:35,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:35,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:36,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2023-12-02 22:54:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:36,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:36,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:36,275 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:36,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2023-12-02 22:54:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:36,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:36,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:36,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:37,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (783)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:37,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:37,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:37,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:37,315 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:37,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2023-12-02 22:54:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:37,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:37,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:37,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:38,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (784)] Ended with exit code 0 [2023-12-02 22:54:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:38,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:38,337 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:38,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:38,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:38,338 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2023-12-02 22:54:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:38,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:38,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:38,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:39,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (785)] Ended with exit code 0 [2023-12-02 22:54:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:39,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:39,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:39,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:39,366 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:39,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2023-12-02 22:54:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:39,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:39,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:39,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:40,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2023-12-02 22:54:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:40,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:40,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:40,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:40,468 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:40,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2023-12-02 22:54:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:40,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:40,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:40,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:41,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2023-12-02 22:54:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:41,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:41,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:41,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:41,491 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:41,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2023-12-02 22:54:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:41,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:41,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:41,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:42,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2023-12-02 22:54:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:42,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:42,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:42,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:42,541 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:42,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2023-12-02 22:54:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:42,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:42,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:42,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:43,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2023-12-02 22:54:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:43,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:43,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:43,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:43,606 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:43,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2023-12-02 22:54:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:43,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:43,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:43,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:44,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (790)] Ended with exit code 0 [2023-12-02 22:54:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:44,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:44,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:44,721 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:44,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2023-12-02 22:54:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:44,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:44,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:44,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:45,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (791)] Ended with exit code 0 [2023-12-02 22:54:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:45,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:45,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:45,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:45,723 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:45,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2023-12-02 22:54:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:45,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:45,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:45,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:46,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (792)] Ended with exit code 0 [2023-12-02 22:54:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:46,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:46,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:46,764 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:46,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2023-12-02 22:54:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:46,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:47,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:47,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:47,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (793)] Ended with exit code 0 [2023-12-02 22:54:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:47,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:47,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:47,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:47,812 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:47,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2023-12-02 22:54:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:48,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:48,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:54:48,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:48,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (794)] Ended with exit code 0 [2023-12-02 22:54:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:48,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:48,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:48,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:48,898 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:48,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2023-12-02 22:54:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:49,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:49,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:54:49,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 22:54:49,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (795)] Ended with exit code 0 [2023-12-02 22:54:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-12-02 22:54:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-12-02 22:54:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:54:49,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:49,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:49,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:49,930 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:49,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdae6e89-92e0-4bb3-8ce3-806619126a14/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process