./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3 --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 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:03:45,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:03:45,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:03:45,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:03:45,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:03:45,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:03:45,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:03:45,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:03:45,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:03:45,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:03:45,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:03:45,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:03:45,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:03:45,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:03:45,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:03:45,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:03:45,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:03:45,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:03:45,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:03:45,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:03:45,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:03:45,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:03:45,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:03:45,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:03:45,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:03:45,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:03:45,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:03:45,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:45,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:03:45,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:03:45,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:03:45,280 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:03:45,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:03:45,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b [2024-11-24 18:03:45,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:03:45,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:03:45,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:03:45,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:03:45,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:03:45,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2024-11-24 18:03:49,224 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/57db8bdae/60c55464781840ffae6df20f92b7885b/FLAG319a7605e [2024-11-24 18:03:49,546 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:03:49,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2024-11-24 18:03:49,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/57db8bdae/60c55464781840ffae6df20f92b7885b/FLAG319a7605e [2024-11-24 18:03:49,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/57db8bdae/60c55464781840ffae6df20f92b7885b [2024-11-24 18:03:49,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:03:49,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:03:49,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:49,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:03:49,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:03:49,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:49,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c11150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49, skipping insertion in model container [2024-11-24 18:03:49,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:49,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:03:49,783 WARN L250 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_5f92bbdf-4c0f-43eb-a023-01d123326af8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2024-11-24 18:03:49,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:49,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:03:49,881 WARN L250 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_5f92bbdf-4c0f-43eb-a023-01d123326af8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2024-11-24 18:03:49,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:49,947 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:03:49,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49 WrapperNode [2024-11-24 18:03:49,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:49,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:49,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:03:49,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:03:49,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:49,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,013 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-11-24 18:03:50,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:50,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:03:50,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:03:50,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:03:50,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:03:50,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:03:50,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:03:50,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:03:50,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:49" (1/1) ... [2024-11-24 18:03:50,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:50,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:03:50,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:03:50,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:03:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:03:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:03:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:03:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:03:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:03:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:03:50,236 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:03:50,239 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:03:50,639 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-24 18:03:50,639 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:03:50,893 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:03:50,893 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:03:50,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:50 BoogieIcfgContainer [2024-11-24 18:03:50,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:03:50,895 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:03:50,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:03:50,905 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:03:50,906 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:50" (1/1) ... [2024-11-24 18:03:50,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:03:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2024-11-24 18:03:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-11-24 18:03:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:03:50,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:50,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:03:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:03:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:51,461 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:03:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:51,597 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:03:51,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:03:51 ImpRootNode [2024-11-24 18:03:51,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:03:51,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:03:51,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:03:51,669 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:03:51,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:50" (3/4) ... [2024-11-24 18:03:51,679 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:03:51,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:03:51,682 INFO L158 Benchmark]: Toolchain (without parser) took 2108.11ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 97.7MB in the end (delta: 20.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-24 18:03:51,682 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:51,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.87ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 105.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:03:51,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.09ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:03:51,684 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 985.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:51,689 INFO L158 Benchmark]: RCFGBuilder took 839.22ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 66.9MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:03:51,689 INFO L158 Benchmark]: CodeCheck took 772.89ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 97.7MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:51,689 INFO L158 Benchmark]: Witness Printer took 12.45ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 97.7MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:51,696 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 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, ConComCheckerStatistics: 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 95, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = 2; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 0; [L26] signed char var_1_5 = 32; [L27] signed char var_1_6 = 10; [L28] double var_1_7 = 1000000.625; [L29] double var_1_8 = 16.65; [L30] signed char var_1_9 = 25; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 0.25; [L34] unsigned short int var_1_13 = 54726; [L99] isInitial = 1 [L100] FCALL initially() [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L67] CALL assume_abort_if_not(var_1_2 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L68] var_1_3 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_char() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L74] var_1_5 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L76] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L77] var_1_6 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L79] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L80] var_1_8 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L90] CALL assume_abort_if_not(var_1_13 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_9=25] [L103] RET updateVariables() [L104] CALL step() [L38] var_1_1 = ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))) [L39] signed char stepLocal_0 = var_1_4; [L40] EXPR var_1_6 & var_1_3 [L40] COND FALSE !(((~ var_1_5) * (var_1_6 & var_1_3)) >= stepLocal_0) [L43] unsigned char stepLocal_1 = var_1_10; [L44] COND FALSE !(stepLocal_1 && var_1_11) [L47] signed long int stepLocal_4 = var_1_13 - var_1_5; [L48] unsigned char stepLocal_3 = var_1_10; [L49] unsigned char stepLocal_2 = var_1_10; [L50] COND TRUE var_1_11 || stepLocal_3 [L51] COND FALSE !(stepLocal_2 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32)) [L58] var_1_12 = var_1_8 [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95] EXPR var_1_6 & var_1_3 [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95-L96] return (((var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1)) && ((var_1_10 && var_1_11) ? (var_1_9 == ((signed char) (var_1_3 - var_1_2))) : 1)) && ((var_1_11 || var_1_10) ? ((var_1_10 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32)) ? (((var_1_13 - var_1_5) < var_1_2) ? (var_1_12 == ((float) var_1_8)) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=0, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=0, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=32, var_1_7=8000005/8, var_1_8=2, var_1_9=25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.87ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 105.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.09ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 985.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.22ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 66.9MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 772.89ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 97.7MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.45ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 97.7MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:03:51,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3 --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 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:03:54,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:03:55,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:03:55,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:03:55,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:03:55,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:03:55,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:03:55,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:03:55,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:03:55,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:03:55,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:03:55,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:03:55,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:03:55,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:03:55,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:03:55,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:03:55,165 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:03:55,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:03:55,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:03:55,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:03:55,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:03:55,167 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:03:55,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:03:55,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:03:55,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:03:55,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:03:55,168 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:55,168 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:03:55,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:03:55,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:55,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:03:55,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:03:55,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:03:55,169 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:03:55,169 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:55,169 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:03:55,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b [2024-11-24 18:03:55,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:03:55,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:03:55,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:03:55,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:03:55,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:03:55,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2024-11-24 18:03:59,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/2e183128f/bdd5b67efea14797b5601fa8db3599dd/FLAGe5184f000 [2024-11-24 18:03:59,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:03:59,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2024-11-24 18:03:59,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/2e183128f/bdd5b67efea14797b5601fa8db3599dd/FLAGe5184f000 [2024-11-24 18:03:59,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/data/2e183128f/bdd5b67efea14797b5601fa8db3599dd [2024-11-24 18:03:59,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:03:59,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:03:59,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:59,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:03:59,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:03:59,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:59" (1/1) ... [2024-11-24 18:03:59,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8e3fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:59, skipping insertion in model container [2024-11-24 18:03:59,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:59" (1/1) ... [2024-11-24 18:03:59,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:04:00,044 WARN L250 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_5f92bbdf-4c0f-43eb-a023-01d123326af8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2024-11-24 18:04:00,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:00,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:04:00,183 WARN L250 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_5f92bbdf-4c0f-43eb-a023-01d123326af8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2024-11-24 18:04:00,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:00,258 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:04:00,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00 WrapperNode [2024-11-24 18:04:00,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:00,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:00,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:04:00,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:04:00,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,328 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-24 18:04:00,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:00,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:04:00,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:04:00,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:04:00,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:04:00,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:04:00,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:04:00,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:04:00,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:00" (1/1) ... [2024-11-24 18:04:00,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:00,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:04:00,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:04:00,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:04:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:04:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:04:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:04:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:04:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:04:00,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:04:00,577 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:04:00,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:04:01,336 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 18:04:01,337 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:04:01,524 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:04:01,524 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:04:01,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:01 BoogieIcfgContainer [2024-11-24 18:04:01,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:04:01,526 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:04:01,526 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:04:01,537 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:04:01,538 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:01" (1/1) ... [2024-11-24 18:04:01,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:04:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2024-11-24 18:04:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-11-24 18:04:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:04:01,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:01,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:01,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:04:01,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:04:01,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:04:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:02,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:04:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:02,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:04:02,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:04:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:04:16,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-24 18:04:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:04:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:04:20,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:04:20,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:20,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:20,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:04:20,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:04:20,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:04:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:20,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:04:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:20,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:04:20,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:04:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:04:30,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:04:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:04:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:04:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:04:30,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:30,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:04:30,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:04:30,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:04:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:31,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:04:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:31,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:04:31,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:04:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:04:40,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 18:04:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:04:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:04:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:04:41,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:41,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:41,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:04:41,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:04:41,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 18:04:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:42,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:04:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:42,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:04:42,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:04:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:04:53,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-24 18:04:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:04:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:04:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:04:53,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:04:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:04:53,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:04:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 18:04:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:53,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:04:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:54,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:04:54,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:05:03,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 18:05:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:05:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:05:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:05:03,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:03,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:03,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:03,307 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:03,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 18:05:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:03,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:05:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:04,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:05:04,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:05:14,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-24 18:05:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:05:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:05:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:05:14,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:14,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:14,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:14,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 18:05:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:15,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:05:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:15,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:05:15,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:05:24,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 18:05:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:05:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:05:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:05:24,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:24,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:24,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:24,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 18:05:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:25,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:05:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:25,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:05:25,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:05:34,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-24 18:05:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:05:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:05:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:05:34,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:34,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:34,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:34,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:34,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 18:05:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:35,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:05:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:35,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:05:35,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:05:44,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 18:05:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:44,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:05:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:05:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:05:44,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:44,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:44,786 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:44,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-24 18:05:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:45,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:05:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:45,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:05:45,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:05:55,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-24 18:05:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:05:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:05:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:05:55,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:55,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:55,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:55,429 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:55,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 18:05:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:56,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:05:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:56,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:05:56,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:06:05,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 18:06:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:06:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:06:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:05,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:05,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:05,297 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:05,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 18:06:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:05,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:06,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:06:06,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:06:15,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-24 18:06:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:06:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:06:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:15,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:15,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:15,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:15,228 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:15,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 18:06:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:15,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:16,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:06:16,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:06:24,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-24 18:06:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:06:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:06:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:24,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:24,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:24,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:24,333 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:24,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-24 18:06:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:24,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:25,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:06:25,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:06:34,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-24 18:06:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:06:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:06:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:34,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:34,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:34,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:34,259 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-24 18:06:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:34,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:34,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:06:34,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:06:44,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-24 18:06:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:06:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:06:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:44,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:44,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:44,487 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:44,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-24 18:06:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:45,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:45,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:06:45,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:06:54,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-24 18:06:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:06:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:06:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:54,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:54,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:54,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:54,612 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:54,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-24 18:06:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:55,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:55,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:06:55,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:07:05,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-24 18:07:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:07:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:07:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:07:05,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:05,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:05,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:05,384 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:05,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 18:07:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:06,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:06,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:07:06,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:07:15,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 18:07:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:07:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:07:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:07:15,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:15,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:15,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:15,173 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:15,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-24 18:07:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:15,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:15,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:07:15,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:07:24,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-24 18:07:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:07:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:07:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:07:24,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:24,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:24,845 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:24,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-24 18:07:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:25,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:25,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:07:25,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:07:33,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-24 18:07:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:07:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:07:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:07:34,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:34,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:34,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:34,032 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:34,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-24 18:07:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:34,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:34,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:07:34,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:07:43,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-24 18:07:43,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:07:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:07:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:07:43,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:43,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:43,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:43,707 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:43,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-24 18:07:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:44,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:44,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:07:44,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:07:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:07:52,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-24 18:07:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:07:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:07:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:07:52,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:52,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:52,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:07:52,772 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:07:52,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 18:07:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:53,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:53,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:07:53,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:01,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 18:08:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:01,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:01,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:01,781 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:01,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-24 18:08:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:02,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:02,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:02,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:10,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-24 18:08:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:10,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:10,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:10,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:10,701 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:10,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-24 18:08:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:11,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:11,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:11,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:19,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-24 18:08:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:19,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:19,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:19,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:19,287 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:19,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-24 18:08:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:19,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:19,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:19,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:28,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-24 18:08:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:28,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:28,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:28,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:28,173 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:28,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-24 18:08:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:28,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:28,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:28,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:36,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-24 18:08:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:36,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:36,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:36,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:36,631 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:36,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-24 18:08:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:37,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:37,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:37,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:45,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-24 18:08:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:45,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:45,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:45,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:45,130 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:45,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-24 18:08:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:45,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:45,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:45,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:08:54,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-24 18:08:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:08:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:08:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:08:54,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:54,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:54,247 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:54,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-24 18:08:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:54,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:55,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:08:55,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:03,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-24 18:09:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:03,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:03,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:03,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:03,638 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:03,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-24 18:09:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:04,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:04,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:04,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:12,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-24 18:09:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:12,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:12,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:12,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:12,225 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:12,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-24 18:09:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:12,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:12,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:12,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:21,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-24 18:09:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:21,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:21,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:21,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:21,123 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:21,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-24 18:09:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:21,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:21,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:21,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:29,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-24 18:09:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:29,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:29,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:29,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:29,414 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:29,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-24 18:09:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:29,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:30,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:30,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:38,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-24 18:09:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:38,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:38,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:38,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:38,594 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:38,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-24 18:09:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:39,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:39,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:39,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:47,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:47,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:47,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:47,475 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:47,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-24 18:09:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:47,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:48,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:48,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:09:56,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-24 18:09:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:09:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:09:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:09:56,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:56,177 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:56,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-24 18:09:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:56,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:56,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:09:56,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:04,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-24 18:10:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:04,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:04,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:04,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:04,693 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:04,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-24 18:10:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:05,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:05,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:05,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:13,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-24 18:10:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:13,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:13,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:13,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:13,718 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:13,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-24 18:10:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:14,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:14,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:14,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:23,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-24 18:10:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:23,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:23,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:23,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:23,231 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:23,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-24 18:10:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:23,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:23,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:23,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:32,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-24 18:10:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:32,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:32,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:32,374 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:32,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-24 18:10:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:32,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:33,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:33,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:40,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-24 18:10:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:40,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:40,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:40,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:40,850 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:40,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-24 18:10:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:41,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:41,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:41,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:49,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-24 18:10:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:49,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:49,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:49,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:49,164 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:49,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-24 18:10:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:49,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:49,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:49,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:10:58,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-24 18:10:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:10:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:10:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:10:58,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:58,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:58,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:58,225 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:58,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-24 18:10:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:58,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:58,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:10:58,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:06,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-24 18:11:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:06,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:06,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:06,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:06,976 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:06,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-24 18:11:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:07,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:07,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:11:07,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:15,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-24 18:11:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:15,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:15,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:15,972 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:15,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-24 18:11:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:16,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:16,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:11:16,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:24,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:24,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:24,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:24,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:24,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:24,795 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:24,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-24 18:11:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:25,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:25,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:11:25,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:33,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:33,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:33,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:33,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:33,450 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:33,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-24 18:11:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:33,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:34,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:11:34,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:41,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:41,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:41,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:41,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:41,765 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:41,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-24 18:11:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:42,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:42,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:11:42,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:50,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-24 18:11:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:50,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:50,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:50,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:50,606 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-24 18:11:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:51,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:51,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:11:51,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:11:59,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-24 18:11:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:11:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:11:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:59,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:59,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:59,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:59,526 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:59,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-24 18:11:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:59,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:00,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:12:00,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:12:07,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-24 18:12:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:12:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:12:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:12:07,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:07,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:07,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:07,793 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:07,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-24 18:12:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:08,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:08,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:12:08,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:12:16,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-24 18:12:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:12:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:12:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:12:16,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:16,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:16,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:16,632 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:16,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-24 18:12:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:17,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:17,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:12:17,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:12:25,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-24 18:12:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:12:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:12:25,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:12:25,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:25,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:25,365 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:25,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-24 18:12:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:25,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:26,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:12:26,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:12:34,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-24 18:12:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:12:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:12:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:12:34,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:34,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:34,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:34,208 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:34,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-24 18:12:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:34,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:34,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:12:34,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:12:43,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-24 18:12:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:12:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:12:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:12:43,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:43,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:43,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:43,123 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:43,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-24 18:12:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:43,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:43,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:12:43,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-24 18:12:52,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-24 18:12:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-24 18:12:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-24 18:12:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:12:52,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:52,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:52,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:52,723 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:52,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-24 18:12:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:53,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:53,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 18:12:53,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 197 proven. 32 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-24 18:13:09,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 86 states and 195 transitions. [2024-11-24 18:13:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 195 transitions. [2024-11-24 18:13:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 18:13:24,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:24,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:24,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:24,840 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:24,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-24 18:13:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:25,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:25,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:13:25,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 365 proven. 57 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2024-11-24 18:13:35,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 32 states and 48 transitions. [2024-11-24 18:13:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-24 18:13:49,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:13:49,288 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2024-11-24 18:13:49,301 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L89(line 89) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L89-1(line 89) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L81(line 81) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L81-1(line 81) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-11-24 18:13:52,449 INFO L77 FloydHoareUtils]: At program point L69(line 69) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L69-1(line 69) the Hoare annotation is: (not (and (bvsge ((_ sign_extend 24) ~var_1_2~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (not (bvsge ((_ sign_extend 24) ~var_1_3~0) (_ bv0 32))))) [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L90(lines 64 91) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L86(line 86) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L86-1(line 86) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L78(line 78) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L78-1(line 78) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L70(line 70) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L66(line 66) the Hoare annotation is: true [2024-11-24 18:13:52,450 INFO L77 FloydHoareUtils]: At program point L66-1(line 66) the Hoare annotation is: (not (and (not (bvsge ((_ sign_extend 24) ~var_1_2~0) (_ bv0 32))) (= currentRoundingMode roundNearestTiesToEven))) [2024-11-24 18:13:52,451 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L87(line 87) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L83(line 83) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L83-1(line 83) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L79(line 79) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L75(line 75) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L75-1(line 75) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L67(line 67) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L84(line 84) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L76(line 76) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L72(line 72) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L72-1(line 72) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point L101-2(lines 101 107) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-11-24 18:13:52,451 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: (not (and (= currentRoundingMode roundNearestTiesToEven) (= (_ bv0 32) |assume_abort_if_not_#in~cond|))) [2024-11-24 18:13:52,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 18:13:52,475 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 18:13:52,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:13:52 ImpRootNode [2024-11-24 18:13:52,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:13:52,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:13:52,481 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:13:52,481 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:13:52,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:01" (3/4) ... [2024-11-24 18:13:52,484 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:13:52,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 18:13:52,492 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-24 18:13:52,492 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 18:13:52,493 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:13:52,493 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:13:52,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:13:52,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:13:52,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:13:52,609 INFO L158 Benchmark]: Toolchain (without parser) took 592822.38ms. Allocated memory was 83.9MB in the beginning and 704.6MB in the end (delta: 620.8MB). Free memory was 60.0MB in the beginning and 457.8MB in the end (delta: -397.7MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. [2024-11-24 18:13:52,610 INFO L158 Benchmark]: CDTParser took 2.67ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:52,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.83ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 46.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:13:52,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.42ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:52,611 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:52,611 INFO L158 Benchmark]: RCFGBuilder took 1149.94ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 57.1MB in the end (delta: -13.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-24 18:13:52,612 INFO L158 Benchmark]: CodeCheck took 590954.46ms. Allocated memory was 83.9MB in the beginning and 704.6MB in the end (delta: 620.8MB). Free memory was 57.1MB in the beginning and 466.0MB in the end (delta: -408.9MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. [2024-11-24 18:13:52,613 INFO L158 Benchmark]: Witness Printer took 127.00ms. Allocated memory is still 704.6MB. Free memory was 466.0MB in the beginning and 457.8MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:52,615 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 587.7s, OverallIterations: 59, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7195 SdHoareTripleChecker+Valid, 153.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1792 mSDsluCounter, 6938 SdHoareTripleChecker+Invalid, 141.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2878 mSDsCounter, 2615 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9297 IncrementalHoareTripleChecker+Invalid, 11912 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2615 mSolverCounterUnsat, 4060 mSDtfsCounter, 9297 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33699 GetRequests, 32377 SyntacticMatches, 1213 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4758 ImplicationChecksByTransitivity, 30.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 13.6s SatisfiabilityAnalysisTime, 506.8s InterpolantComputationTime, 3775 NumberOfCodeBlocks, 3775 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 3717 ConstructedInterpolants, 0 QuantifiedInterpolants, 68309 SizeOfPredicates, 814 NumberOfNonLiveVariables, 7525 ConjunctsInSsa, 759 ConjunctsInUnsatCore, 58 InterpolantComputations, 0 PerfectInterpolantSequences, 15333/16654 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.67ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.83ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 46.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.42ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1149.94ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 57.1MB in the end (delta: -13.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * CodeCheck took 590954.46ms. Allocated memory was 83.9MB in the beginning and 704.6MB in the end (delta: 620.8MB). Free memory was 57.1MB in the beginning and 466.0MB in the end (delta: -408.9MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. * Witness Printer took 127.00ms. Allocated memory is still 704.6MB. Free memory was 466.0MB in the beginning and 457.8MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2024-11-24 18:13:52,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f92bbdf-4c0f-43eb-a023-01d123326af8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE