./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.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_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b --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 c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:52:50,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:52:50,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:52:50,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:52:50,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:52:50,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:52:50,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:52:50,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:52:50,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:52:50,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:52:50,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:52:50,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:52:50,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:52:50,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:50,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:52:50,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:52:50,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:52:50,457 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:52:50,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:52:50,457 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_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b 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 -> c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 [2024-12-06 05:52:50,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:52:50,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:52:50,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:52:50,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:52:50,693 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:52:50,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-12-06 05:52:53,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/aa5d45d22/b0ed784fba694c569fcb996aa277381d/FLAG70fda2d66 [2024-12-06 05:52:53,509 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:52:53,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-12-06 05:52:53,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/aa5d45d22/b0ed784fba694c569fcb996aa277381d/FLAG70fda2d66 [2024-12-06 05:52:53,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/aa5d45d22/b0ed784fba694c569fcb996aa277381d [2024-12-06 05:52:53,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:52:53,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:52:53,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:53,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:52:53,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:52:53,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6522460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53, skipping insertion in model container [2024-12-06 05:52:53,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:52:53,671 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_18bf492e-5ef7-49df-b8eb-e785bab95318/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-12-06 05:52:53,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:53,706 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:52:53,714 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_18bf492e-5ef7-49df-b8eb-e785bab95318/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-12-06 05:52:53,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:53,744 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:52:53,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53 WrapperNode [2024-12-06 05:52:53,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:53,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:53,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:52:53,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:52:53,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,775 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-12-06 05:52:53,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:53,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:52:53,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:52:53,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:52:53,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:52:53,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:52:53,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:52:53,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:52:53,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:53" (1/1) ... [2024-12-06 05:52:53,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:53,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:52:53,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:52:53,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:52:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:52:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:52:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:52:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:52:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:52:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:52:53,918 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:52:53,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:52:54,158 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 05:52:54,158 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:52:54,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:52:54,257 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:52:54,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:54 BoogieIcfgContainer [2024-12-06 05:52:54,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:52:54,258 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:52:54,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:52:54,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:52:54,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:52:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-12-06 05:52:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-12-06 05:52:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:52:54,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:52:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:54,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:52:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:54,678 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:52:54,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:52:54 ImpRootNode [2024-12-06 05:52:54,722 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:52:54,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:52:54,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:52:54,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:52:54,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:54" (3/4) ... [2024-12-06 05:52:54,727 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:52:54,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:52:54,729 INFO L158 Benchmark]: Toolchain (without parser) took 1195.71ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.1MB in the end (delta: 11.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-06 05:52:54,730 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:54,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.57ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:52:54,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.02ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:54,731 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:54,731 INFO L158 Benchmark]: RCFGBuilder took 456.02ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 51.2MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:52:54,732 INFO L158 Benchmark]: CodeCheck took 464.89ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 80.1MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:54,732 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:54,734 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 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 71, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_3 = 8.2; [L24] float var_1_4 = 1000000000.4; [L25] unsigned char var_1_6 = 4; [L26] double var_1_7 = 0.2; [L27] unsigned char var_1_8 = 0; [L28] unsigned short int var_1_9 = 32; [L29] unsigned char var_1_10 = 1; [L30] double var_1_11 = 127.5; [L31] unsigned long int var_1_12 = 5; [L32] double last_1_var_1_7 = 0.2; [L33] unsigned long int last_1_var_1_12 = 5; [L97] isInitial = 1 [L98] FCALL initially() [L100] CALL updateLastVariables() [L89] last_1_var_1_7 = var_1_7 [L90] last_1_var_1_12 = var_1_12 [L100] RET updateLastVariables() [L101] CALL updateVariables() [L68] var_1_3 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_7=1/5, var_1_8=0, var_1_9=32] [L74] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=32] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_9=32] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_9=32] [L77] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=32] [L78] var_1_9 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0] [L80] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0] [L81] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_12=5, var_1_1=1, var_1_6=-252, var_1_7=1/5, var_1_8=0, var_1_9=-65531] [L101] RET updateVariables() [L102] CALL step() [L37] COND TRUE ! (last_1_var_1_7 <= (var_1_3 - var_1_4)) [L38] COND FALSE !(-1 < last_1_var_1_12) [L41] var_1_1 = var_1_6 [L46] COND FALSE !(var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) [L53] var_1_7 = var_1_11 [L55] COND FALSE !(\read(var_1_8)) [L64] var_1_12 = var_1_6 [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((! (last_1_var_1_7 <= (var_1_3 - var_1_4))) ? ((-1 < last_1_var_1_12) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) ? ((var_1_8 && var_1_10) ? (var_1_7 == ((double) var_1_11)) : (var_1_7 == ((double) var_1_11))) : (var_1_7 == ((double) var_1_11)))) && (var_1_8 ? ((var_1_10 && (var_1_4 <= var_1_7)) ? ((((((var_1_4) > (var_1_11)) ? (var_1_4) : (var_1_11))) > var_1_7) ? (var_1_12 == ((unsigned long int) ((((((3725801564u - var_1_6) - var_1_1)) > (var_1_9)) ? (((3725801564u - var_1_6) - var_1_1)) : (var_1_9))))) : (var_1_12 == ((unsigned long int) var_1_6))) : 1) : (var_1_12 == ((unsigned long int) var_1_6))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=2, var_1_12=4, var_1_1=-252, var_1_6=-252, var_1_7=2, var_1_8=0, var_1_9=-65531] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=2, var_1_12=4, var_1_1=-252, var_1_6=-252, var_1_7=2, var_1_8=0, var_1_9=-65531] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.57ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.02ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.02ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 51.2MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 464.89ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 80.1MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:52:54,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b --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 c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:52:56,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:52:56,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:52:56,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:52:56,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:52:56,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:52:56,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:52:56,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:52:56,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:52:56,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:52:56,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:52:56,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:52:56,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:56,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:52:56,869 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:52:56,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:56,870 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:52:56,870 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_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b 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 -> c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 [2024-12-06 05:52:57,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:52:57,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:52:57,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:52:57,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:52:57,120 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:52:57,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-12-06 05:52:59,838 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/05e7f2f86/87b8af93e0904b1d847457f2ea5c4240/FLAG0198b2fcb [2024-12-06 05:53:00,022 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:53:00,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2024-12-06 05:53:00,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/05e7f2f86/87b8af93e0904b1d847457f2ea5c4240/FLAG0198b2fcb [2024-12-06 05:53:00,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/data/05e7f2f86/87b8af93e0904b1d847457f2ea5c4240 [2024-12-06 05:53:00,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:53:00,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:53:00,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:00,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:53:00,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:53:00,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fed5992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00, skipping insertion in model container [2024-12-06 05:53:00,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:53:00,199 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_18bf492e-5ef7-49df-b8eb-e785bab95318/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-12-06 05:53:00,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:00,241 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:53:00,249 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_18bf492e-5ef7-49df-b8eb-e785bab95318/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2024-12-06 05:53:00,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:00,276 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:53:00,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00 WrapperNode [2024-12-06 05:53:00,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:00,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:00,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:53:00,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:53:00,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,305 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-12-06 05:53:00,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:00,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:53:00,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:53:00,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:53:00,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:53:00,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:53:00,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:53:00,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:53:00,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:00" (1/1) ... [2024-12-06 05:53:00,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:00,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:53:00,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:53:00,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:53:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:53:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:53:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:53:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:53:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:53:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:53:00,461 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:53:00,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:53:01,648 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 05:53:01,648 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:53:01,734 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:53:01,734 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:53:01,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:01 BoogieIcfgContainer [2024-12-06 05:53:01,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:53:01,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:53:01,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:53:01,745 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:53:01,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:01" (1/1) ... [2024-12-06 05:53:01,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:53:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-12-06 05:53:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-12-06 05:53:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:53:01,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:01,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:01,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:53:01,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:53:01,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:53:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:02,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:53:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:02,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:53:02,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 05:54:03,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:54:04,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:54:05,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:54:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 05:54:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 05:54:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:54:06,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:06,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:06,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:06,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:06,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:54:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:07,222 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:07,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:54:07,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 05:55:06,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 05:55:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 05:55:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 05:55:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:55:06,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:06,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:06,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:06,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:55:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:06,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:07,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:55:07,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:56:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 05:56:08,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 05:56:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 05:56:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 05:56:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:56:08,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:08,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:56:08,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:56:08,659 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:56:08,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:56:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:09,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:56:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:56:09,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:56:09,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 05:57:10,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 05:57:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 05:57:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 05:57:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:57:10,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:10,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:10,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:57:10,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:57:10,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:57:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:11,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:57:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:11,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:57:11,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 05:58:17,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 05:58:17,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 05:58:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 05:58:17,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:58:17,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:17,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:17,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:17,054 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:17,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:58:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:17,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:18,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:58:18,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 05:59:23,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 05:59:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 05:59:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 05:59:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:59:23,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:23,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:23,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:23,209 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:23,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:59:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:23,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:59:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:23,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:59:23,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:00:29,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 06:00:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 06:00:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 06:00:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:00:29,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:29,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:00:29,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:00:29,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:00:29,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 06:00:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:30,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:00:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:30,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:00:30,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:01:35,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 06:01:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 06:01:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 06:01:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:01:35,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:35,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:01:35,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:01:35,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:01:35,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 06:01:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:36,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:01:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:36,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:01:36,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:02:45,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 06:02:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 06:02:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 06:02:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:02:45,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:45,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:45,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:45,236 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:45,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 06:02:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:45,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:45,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:02:45,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:03:55,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 06:03:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 06:03:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 06:03:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:03:55,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:55,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:55,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:55,834 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:55,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 06:03:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:56,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:56,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:03:56,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:05:03,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 06:05:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 06:05:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 06:05:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:05:03,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:03,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:03,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:03,623 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:03,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 06:05:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:04,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:04,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:05:04,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:06:08,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 06:06:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 06:06:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 06:06:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:06:08,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:08,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:08,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:08,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:08,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 06:06:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:08,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:08,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 06:06:08,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:07:12,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 06:07:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2024-12-06 06:07:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2024-12-06 06:07:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 06:07:13,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:13,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:13,672 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:13,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf492e-5ef7-49df-b8eb-e785bab95318/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 06:07:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:14,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:14,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:07:14,359 INFO L279 TraceCheckSpWp]: Computing forward predicates...