./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/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_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:15:53,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:15:53,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:15:53,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:15:53,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:15:53,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:15:53,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:15:53,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:15:53,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:15:53,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:15:53,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:15:53,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:15:53,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:15:53,592 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:15:53,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:15:53,593 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:15:53,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:15:53,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:15:53,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:15:53,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:15:53,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:15:53,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:15:53,595 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_1d8add44-2b1e-40e9-b150-b71d4d55fbad/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2024-12-05 22:15:53,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:15:53,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:15:53,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:15:53,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:15:53,808 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:15:53,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-12-05 22:15:56,378 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/321112257/8263810084ac4685b9980dbf04ee8f7d/FLAGad29135ca [2024-12-05 22:15:56,696 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:15:56,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-12-05 22:15:56,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/321112257/8263810084ac4685b9980dbf04ee8f7d/FLAGad29135ca [2024-12-05 22:15:56,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/321112257/8263810084ac4685b9980dbf04ee8f7d [2024-12-05 22:15:56,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:15:56,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:15:56,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:15:56,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:15:56,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:15:56,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:15:56" (1/1) ... [2024-12-05 22:15:56,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5224be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:56, skipping insertion in model container [2024-12-05 22:15:56,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:15:56" (1/1) ... [2024-12-05 22:15:57,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:15:57,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:15:58,027 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:15:58,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:15:58,355 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:15:58,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58 WrapperNode [2024-12-05 22:15:58,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:15:58,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:15:58,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:15:58,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:15:58,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,569 INFO L138 Inliner]: procedures = 473, calls = 2667, calls flagged for inlining = 202, calls inlined = 264, statements flattened = 4355 [2024-12-05 22:15:58,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:15:58,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:15:58,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:15:58,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:15:58,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:15:58,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:15:58,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:15:58,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:15:58,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:15:58" (1/1) ... [2024-12-05 22:15:58,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:15:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:15:58,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:15:58,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:15:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:15:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-05 22:15:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:15:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:15:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:15:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:15:59,048 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:15:59,050 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:16:05,589 INFO L? ?]: Removed 1638 outVars from TransFormulas that were not future-live. [2024-12-05 22:16:05,590 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:16:06,365 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:16:06,365 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 22:16:06,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:06 BoogieIcfgContainer [2024-12-05 22:16:06,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:16:06,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:16:06,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:16:06,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:16:06,375 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:06" (1/1) ... [2024-12-05 22:16:06,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:16:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 572 states and 650 transitions. [2024-12-05 22:16:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 650 transitions. [2024-12-05 22:16:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:16:06,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:12,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:16:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2024-12-05 22:16:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2024-12-05 22:16:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:16:12,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:19,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:16:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 570 states and 648 transitions. [2024-12-05 22:16:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 648 transitions. [2024-12-05 22:16:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:16:19,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:19,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2024-12-05 22:16:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2024-12-05 22:16:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:16:21,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:21,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 568 states and 646 transitions. [2024-12-05 22:16:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 646 transitions. [2024-12-05 22:16:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:16:24,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:24,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:29,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:16:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 567 states and 645 transitions. [2024-12-05 22:16:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 645 transitions. [2024-12-05 22:16:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:16:30,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:30,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:35,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:16:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2024-12-05 22:16:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2024-12-05 22:16:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:16:35,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:35,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 571 states and 653 transitions. [2024-12-05 22:16:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 653 transitions. [2024-12-05 22:16:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:16:39,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:39,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 572 states and 654 transitions. [2024-12-05 22:16:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 654 transitions. [2024-12-05 22:16:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:16:41,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:41,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2024-12-05 22:16:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2024-12-05 22:16:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:16:44,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:44,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:16:49,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:16:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 571 states and 652 transitions. [2024-12-05 22:16:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 652 transitions. [2024-12-05 22:16:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:16:51,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:51,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:54,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 573 states and 654 transitions. [2024-12-05 22:16:54,197 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 654 transitions. [2024-12-05 22:16:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:16:54,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:54,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 575 states and 656 transitions. [2024-12-05 22:16:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 656 transitions. [2024-12-05 22:16:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:16:57,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:17:02,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:17:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 577 states and 658 transitions. [2024-12-05 22:17:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 658 transitions. [2024-12-05 22:17:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:17:05,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:05,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:17:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 576 states and 657 transitions. [2024-12-05 22:17:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 657 transitions. [2024-12-05 22:17:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:17:07,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:07,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:17:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 577 states and 660 transitions. [2024-12-05 22:17:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 660 transitions. [2024-12-05 22:17:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:17:10,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:10,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:17:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 576 states and 659 transitions. [2024-12-05 22:17:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 659 transitions. [2024-12-05 22:17:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:17:13,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:13,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:17:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 577 states and 660 transitions. [2024-12-05 22:17:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 660 transitions. [2024-12-05 22:17:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:17:15,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:15,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:17:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2024-12-05 22:17:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2024-12-05 22:17:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:17:18,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:18,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:17:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 573 states and 650 transitions. [2024-12-05 22:17:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 650 transitions. [2024-12-05 22:17:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:17:22,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:17:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 575 states and 652 transitions. [2024-12-05 22:17:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 652 transitions. [2024-12-05 22:17:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:17:26,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:17:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 577 states and 654 transitions. [2024-12-05 22:17:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 654 transitions. [2024-12-05 22:17:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:17:29,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:29,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:17:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 579 states and 656 transitions. [2024-12-05 22:17:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 656 transitions. [2024-12-05 22:17:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:17:33,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:17:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 581 states and 658 transitions. [2024-12-05 22:17:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 658 transitions. [2024-12-05 22:17:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:17:37,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:17:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:40,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 583 states and 659 transitions. [2024-12-05 22:17:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 659 transitions. [2024-12-05 22:17:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:17:40,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:43,130 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:17:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:17:56,147 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:17:56,152 INFO L158 Benchmark]: Toolchain (without parser) took 119205.64ms. Allocated memory was 142.6MB in the beginning and 805.3MB in the end (delta: 662.7MB). Free memory was 114.5MB in the beginning and 548.2MB in the end (delta: -433.7MB). Peak memory consumption was 230.6MB. Max. memory is 16.1GB. [2024-12-05 22:17:56,153 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:56,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1408.32ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 49.9MB in the end (delta: 64.5MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:56,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 213.44ms. Allocated memory is still 142.6MB. Free memory was 49.9MB in the beginning and 72.9MB in the end (delta: -23.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-05 22:17:56,154 INFO L158 Benchmark]: Boogie Preprocessor took 153.67ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 49.9MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:17:56,155 INFO L158 Benchmark]: RCFGBuilder took 7641.30ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 49.9MB in the beginning and 168.8MB in the end (delta: -118.9MB). Peak memory consumption was 256.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:56,155 INFO L158 Benchmark]: CodeCheck took 109785.22ms. Allocated memory was 520.1MB in the beginning and 805.3MB in the end (delta: 285.2MB). Free memory was 168.8MB in the beginning and 548.2MB in the end (delta: -379.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:56,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1408.32ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 49.9MB in the end (delta: 64.5MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 213.44ms. Allocated memory is still 142.6MB. Free memory was 49.9MB in the beginning and 72.9MB in the end (delta: -23.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.67ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 49.9MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7641.30ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 49.9MB in the beginning and 168.8MB in the end (delta: -118.9MB). Peak memory consumption was 256.8MB. Max. memory is 16.1GB. * CodeCheck took 109785.22ms. Allocated memory was 520.1MB in the beginning and 805.3MB in the end (delta: 285.2MB). Free memory was 168.8MB in the beginning and 548.2MB in the end (delta: -379.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:17:56,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/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_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/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_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:58,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:58,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 22:17:58,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:58,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:58,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:58,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:17:58,235 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:58,236 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:58,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:58,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:58,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:58,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:58,237 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:58,237 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:17:58,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:58,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:58,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:58,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:58,238 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:17:58,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:58,238 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:17:58,238 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_1d8add44-2b1e-40e9-b150-b71d4d55fbad/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2024-12-05 22:17:58,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:58,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:58,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:58,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:58,477 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:58,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-12-05 22:18:01,113 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/297d9e74b/7e3a68b7a75742e0ae3cf49cd9afd2ad/FLAGf9bf86632 [2024-12-05 22:18:01,522 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:18:01,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-12-05 22:18:01,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/297d9e74b/7e3a68b7a75742e0ae3cf49cd9afd2ad/FLAGf9bf86632 [2024-12-05 22:18:01,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/data/297d9e74b/7e3a68b7a75742e0ae3cf49cd9afd2ad [2024-12-05 22:18:01,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:18:01,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:18:01,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:18:01,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:18:01,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:18:01,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:18:01" (1/1) ... [2024-12-05 22:18:01,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bd5d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:01, skipping insertion in model container [2024-12-05 22:18:01,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:18:01" (1/1) ... [2024-12-05 22:18:01,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:18:02,396 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:18:02,420 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:18:02,441 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:18:02,494 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:18:02,518 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:18:02,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:18:02,564 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:18:02,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:18:02,915 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:18:02,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02 WrapperNode [2024-12-05 22:18:02,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:18:02,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:18:02,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:18:02,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:18:02,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:02,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,150 INFO L138 Inliner]: procedures = 483, calls = 2667, calls flagged for inlining = 202, calls inlined = 264, statements flattened = 4142 [2024-12-05 22:18:03,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:18:03,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:18:03,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:18:03,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:18:03,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:18:03,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:18:03,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:18:03,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:18:03,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:02" (1/1) ... [2024-12-05 22:18:03,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:18:03,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:18:03,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:18:03,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:18:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:18:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-05 22:18:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:18:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:18:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-05 22:18:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-12-05 22:18:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:18:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:18:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-05 22:18:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-05 22:18:03,674 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:18:03,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:18:26,351 INFO L? ?]: Removed 1591 outVars from TransFormulas that were not future-live. [2024-12-05 22:18:26,352 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:18:27,023 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:18:27,023 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 22:18:27,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:27 BoogieIcfgContainer [2024-12-05 22:18:27,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:18:27,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:18:27,025 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:18:27,034 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:18:27,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:27" (1/1) ... [2024-12-05 22:18:27,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:18:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 572 states and 650 transitions. [2024-12-05 22:18:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 650 transitions. [2024-12-05 22:18:27,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:18:27,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:27,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:27,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:27,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:18:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:34,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:39,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:18:39,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:18:40,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:18:52,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:18:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2024-12-05 22:18:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2024-12-05 22:18:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:18:53,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:53,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:53,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:53,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:53,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:19:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:03,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:08,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:19:08,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:09,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:19:23,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:19:27,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:19:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 570 states and 648 transitions. [2024-12-05 22:19:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 648 transitions. [2024-12-05 22:19:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:19:27,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:27,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:27,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:27,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:27,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:19:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:30,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:34,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:19:34,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:34,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:19:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2024-12-05 22:19:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2024-12-05 22:19:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:19:34,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:34,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:34,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:34,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:34,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:19:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:45,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:50,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:19:50,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:50,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:19:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 568 states and 646 transitions. [2024-12-05 22:19:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 646 transitions. [2024-12-05 22:19:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:19:51,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:51,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:51,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:51,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:19:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:58,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:03,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:20:03,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:03,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:20:16,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:20:20,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:20:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 567 states and 645 transitions. [2024-12-05 22:20:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 645 transitions. [2024-12-05 22:20:21,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:20:21,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:21,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:21,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:21,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:21,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:20:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:33,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:37,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:20:37,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:39,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:20:54,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:20:57,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:21:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2024-12-05 22:21:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2024-12-05 22:21:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:21:01,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:01,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:01,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:01,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:01,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:21:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:13,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:18,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 2881 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:21:18,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:19,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:21:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2024-12-05 22:21:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2024-12-05 22:21:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:21:24,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:24,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:24,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:24,864 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:24,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:21:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:37,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:43,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:21:43,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:45,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:21:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 573 states and 651 transitions. [2024-12-05 22:21:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 651 transitions. [2024-12-05 22:21:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:21:51,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:51,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:51,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:51,148 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:51,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:22:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:03,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:10,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:22:10,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:22:12,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:22:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 575 states and 653 transitions. [2024-12-05 22:22:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 653 transitions. [2024-12-05 22:22:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:22:18,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:18,664 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:18,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:22:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:31,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:38,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:38,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:22:40,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:22:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 577 states and 655 transitions. [2024-12-05 22:22:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 655 transitions. [2024-12-05 22:22:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:22:47,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:47,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:47,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:47,806 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:47,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:23:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:00,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:07,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:23:07,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:23:10,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:23:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 579 states and 657 transitions. [2024-12-05 22:23:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 657 transitions. [2024-12-05 22:23:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:23:18,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:18,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:18,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:18,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:18,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:23:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:31,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:38,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 2956 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:23:38,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:23:41,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:23:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 581 states and 659 transitions. [2024-12-05 22:23:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 659 transitions. [2024-12-05 22:23:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:23:50,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:50,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:50,079 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:50,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:24:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:03,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:10,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 2971 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:24:10,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:24:14,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:24:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 583 states and 661 transitions. [2024-12-05 22:24:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 661 transitions. [2024-12-05 22:24:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:24:23,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:23,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:23,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:23,573 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:23,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:24:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:37,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:44,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 2986 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:24:44,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:24:48,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:24:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 585 states and 663 transitions. [2024-12-05 22:24:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 663 transitions. [2024-12-05 22:24:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:24:58,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:58,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:58,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:58,556 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:58,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:25:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:12,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:19,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 3001 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:25:19,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:25:24,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:25:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 587 states and 665 transitions. [2024-12-05 22:25:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 665 transitions. [2024-12-05 22:25:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:25:34,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:34,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:34,764 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:34,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:25:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:43,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:50,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 3016 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:25:50,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:25:55,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:26:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 585 states and 662 transitions. [2024-12-05 22:26:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 662 transitions. [2024-12-05 22:26:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:26:04,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:04,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:04,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:04,131 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:04,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:26:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:12,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:17,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:26:17,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:26:21,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:26:39,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:26:44,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 587 states and 667 transitions. [2024-12-05 22:27:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 667 transitions. [2024-12-05 22:27:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:27:41,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:41,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:41,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:41,672 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:41,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:27:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:55,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:01,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:28:01,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:28:08,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-05 22:28:29,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:28:35,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:30:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 589 states and 669 transitions. [2024-12-05 22:30:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 669 transitions. [2024-12-05 22:30:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:30:03,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:03,130 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:03,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:30:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:06,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:11,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 3031 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:30:11,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-05 22:30:14,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-12-05 22:30:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 588 states and 668 transitions. [2024-12-05 22:30:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 668 transitions. [2024-12-05 22:30:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:30:17,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:17,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:17,183 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:17,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8add44-2b1e-40e9-b150-b71d4d55fbad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process