./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 10:37:02,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:37:02,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:37:02,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:37:02,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:37:02,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:37:02,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:37:02,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:37:02,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:37:02,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:37:02,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:37:02,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:37:02,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:37:02,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:37:02,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:37:02,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:37:02,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:37:02,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:37:02,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:37:02,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:37:02,770 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:37:02,773 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:37:02,773 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:37:02,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:37:02,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:37:02,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:37:02,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:37:02,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:37:02,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:37:02,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:37:02,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:37:02,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:37:02,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:37:02,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:37:02,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:37:02,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:37:02,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:37:02,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:37:02,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:37:02,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:37:02,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:37:02,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:37:02,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 [2024-11-09 10:37:03,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:37:03,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:37:03,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:37:03,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:37:03,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:37:03,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-09 10:37:04,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:37:04,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:37:04,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-09 10:37:04,447 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6011bf1/00e1b265f4e14552b55f0e015fe2b317/FLAG098883878 [2024-11-09 10:37:04,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6011bf1/00e1b265f4e14552b55f0e015fe2b317 [2024-11-09 10:37:04,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:37:04,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:37:04,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:37:04,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:37:04,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:37:04,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3828c866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04, skipping insertion in model container [2024-11-09 10:37:04,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:37:04,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:37:04,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:37:04,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:37:04,870 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:37:04,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04 WrapperNode [2024-11-09 10:37:04,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:37:04,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:37:04,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:37:04,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:37:04,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,906 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-09 10:37:04,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:37:04,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:37:04,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:37:04,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:37:04,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,920 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,934 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 10:37:04,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:37:04,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:37:04,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:37:04,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:37:04,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (1/1) ... [2024-11-09 10:37:04,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:37:04,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:37:04,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 10:37:04,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 10:37:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 10:37:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:37:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 10:37:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 10:37:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 10:37:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 10:37:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 10:37:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 10:37:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:37:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 10:37:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:37:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:37:05,010 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:37:05,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:37:05,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:37:05,240 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:37:05,240 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:37:05,312 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:37:05,312 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:37:05,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:37:05 BoogieIcfgContainer [2024-11-09 10:37:05,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:37:05,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:37:05,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:37:05,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:37:05,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:37:04" (1/3) ... [2024-11-09 10:37:05,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376f9c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:37:05, skipping insertion in model container [2024-11-09 10:37:05,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:37:04" (2/3) ... [2024-11-09 10:37:05,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376f9c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:37:05, skipping insertion in model container [2024-11-09 10:37:05,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:37:05" (3/3) ... [2024-11-09 10:37:05,319 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-09 10:37:05,332 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:37:05,332 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 10:37:05,332 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:37:05,370 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 10:37:05,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 104 flow [2024-11-09 10:37:05,417 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2024-11-09 10:37:05,417 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:37:05,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-11-09 10:37:05,420 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 46 transitions, 104 flow [2024-11-09 10:37:05,422 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-09 10:37:05,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:37:05,438 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42015cb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:37:05,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-09 10:37:05,450 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:37:05,451 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-09 10:37:05,452 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:37:05,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:05,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:05,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:05,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:05,458 INFO L85 PathProgramCache]: Analyzing trace with hash 320925521, now seen corresponding path program 1 times [2024-11-09 10:37:05,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:05,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264537252] [2024-11-09 10:37:05,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:05,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:05,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:05,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264537252] [2024-11-09 10:37:05,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264537252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:05,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:05,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:37:05,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028752568] [2024-11-09 10:37:05,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:05,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:37:05,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:05,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:37:05,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:37:05,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 46 [2024-11-09 10:37:05,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:05,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:05,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 46 [2024-11-09 10:37:05,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:05,838 INFO L124 PetriNetUnfolderBase]: 75/226 cut-off events. [2024-11-09 10:37:05,839 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:37:05,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 226 events. 75/226 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1224 event pairs, 75 based on Foata normal form. 24/229 useless extension candidates. Maximal degree in co-relation 370. Up to 136 conditions per place. [2024-11-09 10:37:05,844 INFO L140 encePairwiseOnDemand]: 42/46 looper letters, 12 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-11-09 10:37:05,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 113 flow [2024-11-09 10:37:05,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:37:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:37:05,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-11-09 10:37:05,856 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7101449275362319 [2024-11-09 10:37:05,857 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 98 transitions. [2024-11-09 10:37:05,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 113 flow [2024-11-09 10:37:05,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 110 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 10:37:05,861 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-11-09 10:37:05,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-09 10:37:05,867 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-09 10:37:05,868 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-11-09 10:37:05,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:05,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:05,869 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:05,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:37:05,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:05,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:05,870 INFO L85 PathProgramCache]: Analyzing trace with hash 320927073, now seen corresponding path program 1 times [2024-11-09 10:37:05,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:05,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276938595] [2024-11-09 10:37:05,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:05,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:06,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:06,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276938595] [2024-11-09 10:37:06,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276938595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:06,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:06,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:37:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460313170] [2024-11-09 10:37:06,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:06,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:37:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:06,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:37:06,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:37:06,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2024-11-09 10:37:06,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:06,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:06,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2024-11-09 10:37:06,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:06,513 INFO L124 PetriNetUnfolderBase]: 1499/2782 cut-off events. [2024-11-09 10:37:06,514 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:37:06,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 2782 events. 1499/2782 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 19850 event pairs, 378 based on Foata normal form. 0/2674 useless extension candidates. Maximal degree in co-relation 5132. Up to 765 conditions per place. [2024-11-09 10:37:06,534 INFO L140 encePairwiseOnDemand]: 36/46 looper letters, 28 selfloop transitions, 6 changer transitions 51/102 dead transitions. [2024-11-09 10:37:06,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 102 transitions, 386 flow [2024-11-09 10:37:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 10:37:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 10:37:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 276 transitions. [2024-11-09 10:37:06,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-09 10:37:06,539 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 9 states and 276 transitions. [2024-11-09 10:37:06,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 102 transitions, 386 flow [2024-11-09 10:37:06,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 102 transitions, 385 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 10:37:06,541 INFO L231 Difference]: Finished difference. Result has 61 places, 40 transitions, 153 flow [2024-11-09 10:37:06,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=153, PETRI_PLACES=61, PETRI_TRANSITIONS=40} [2024-11-09 10:37:06,543 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places. [2024-11-09 10:37:06,543 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 40 transitions, 153 flow [2024-11-09 10:37:06,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:06,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:06,544 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:06,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 10:37:06,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:06,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:06,545 INFO L85 PathProgramCache]: Analyzing trace with hash 235921472, now seen corresponding path program 1 times [2024-11-09 10:37:06,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:06,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385206138] [2024-11-09 10:37:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:06,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:06,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:06,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385206138] [2024-11-09 10:37:06,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385206138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:06,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:06,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:37:06,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858587322] [2024-11-09 10:37:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:06,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:37:06,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:06,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:37:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:37:06,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2024-11-09 10:37:06,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 40 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:06,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:06,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2024-11-09 10:37:06,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:07,012 INFO L124 PetriNetUnfolderBase]: 847/1747 cut-off events. [2024-11-09 10:37:07,013 INFO L125 PetriNetUnfolderBase]: For 2870/2870 co-relation queries the response was YES. [2024-11-09 10:37:07,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4913 conditions, 1747 events. 847/1747 cut-off events. For 2870/2870 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 12370 event pairs, 231 based on Foata normal form. 63/1774 useless extension candidates. Maximal degree in co-relation 4898. Up to 391 conditions per place. [2024-11-09 10:37:07,023 INFO L140 encePairwiseOnDemand]: 38/46 looper letters, 30 selfloop transitions, 6 changer transitions 45/98 dead transitions. [2024-11-09 10:37:07,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 98 transitions, 609 flow [2024-11-09 10:37:07,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 10:37:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 10:37:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 282 transitions. [2024-11-09 10:37:07,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6130434782608696 [2024-11-09 10:37:07,026 INFO L175 Difference]: Start difference. First operand has 61 places, 40 transitions, 153 flow. Second operand 10 states and 282 transitions. [2024-11-09 10:37:07,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 98 transitions, 609 flow [2024-11-09 10:37:07,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 98 transitions, 535 flow, removed 16 selfloop flow, removed 4 redundant places. [2024-11-09 10:37:07,038 INFO L231 Difference]: Finished difference. Result has 68 places, 42 transitions, 187 flow [2024-11-09 10:37:07,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=187, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2024-11-09 10:37:07,039 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 18 predicate places. [2024-11-09 10:37:07,039 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 42 transitions, 187 flow [2024-11-09 10:37:07,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:07,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:07,040 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:07,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 10:37:07,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:07,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:07,041 INFO L85 PathProgramCache]: Analyzing trace with hash -583155296, now seen corresponding path program 1 times [2024-11-09 10:37:07,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:07,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673914778] [2024-11-09 10:37:07,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:07,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:07,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:07,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673914778] [2024-11-09 10:37:07,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673914778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:07,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:07,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 10:37:07,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839086224] [2024-11-09 10:37:07,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:07,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 10:37:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 10:37:07,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 10:37:07,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 46 [2024-11-09 10:37:07,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 42 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:07,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:07,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 46 [2024-11-09 10:37:07,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:07,320 INFO L124 PetriNetUnfolderBase]: 974/1934 cut-off events. [2024-11-09 10:37:07,320 INFO L125 PetriNetUnfolderBase]: For 1930/1960 co-relation queries the response was YES. [2024-11-09 10:37:07,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4535 conditions, 1934 events. 974/1934 cut-off events. For 1930/1960 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 12839 event pairs, 250 based on Foata normal form. 103/1906 useless extension candidates. Maximal degree in co-relation 4513. Up to 881 conditions per place. [2024-11-09 10:37:07,333 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 27 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2024-11-09 10:37:07,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 57 transitions, 285 flow [2024-11-09 10:37:07,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 10:37:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 10:37:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2024-11-09 10:37:07,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7065217391304348 [2024-11-09 10:37:07,334 INFO L175 Difference]: Start difference. First operand has 68 places, 42 transitions, 187 flow. Second operand 4 states and 130 transitions. [2024-11-09 10:37:07,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 57 transitions, 285 flow [2024-11-09 10:37:07,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 57 transitions, 266 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-09 10:37:07,343 INFO L231 Difference]: Finished difference. Result has 62 places, 46 transitions, 206 flow [2024-11-09 10:37:07,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=62, PETRI_TRANSITIONS=46} [2024-11-09 10:37:07,344 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2024-11-09 10:37:07,344 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 46 transitions, 206 flow [2024-11-09 10:37:07,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:07,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:07,345 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:07,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 10:37:07,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:07,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:07,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2008927999, now seen corresponding path program 1 times [2024-11-09 10:37:07,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:07,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644932568] [2024-11-09 10:37:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:07,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:07,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644932568] [2024-11-09 10:37:07,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644932568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:07,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:07,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:37:07,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273795197] [2024-11-09 10:37:07,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:07,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:37:07,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:07,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:37:07,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:37:07,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 46 [2024-11-09 10:37:07,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 46 transitions, 206 flow. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:07,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:07,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 46 [2024-11-09 10:37:07,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:07,604 INFO L124 PetriNetUnfolderBase]: 807/1642 cut-off events. [2024-11-09 10:37:07,604 INFO L125 PetriNetUnfolderBase]: For 849/1464 co-relation queries the response was YES. [2024-11-09 10:37:07,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4194 conditions, 1642 events. 807/1642 cut-off events. For 849/1464 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10446 event pairs, 69 based on Foata normal form. 113/1651 useless extension candidates. Maximal degree in co-relation 4173. Up to 652 conditions per place. [2024-11-09 10:37:07,612 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 34 selfloop transitions, 8 changer transitions 0/67 dead transitions. [2024-11-09 10:37:07,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 67 transitions, 353 flow [2024-11-09 10:37:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 10:37:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 10:37:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-11-09 10:37:07,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7130434782608696 [2024-11-09 10:37:07,613 INFO L175 Difference]: Start difference. First operand has 62 places, 46 transitions, 206 flow. Second operand 5 states and 164 transitions. [2024-11-09 10:37:07,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 67 transitions, 353 flow [2024-11-09 10:37:07,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 334 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-09 10:37:07,616 INFO L231 Difference]: Finished difference. Result has 63 places, 50 transitions, 242 flow [2024-11-09 10:37:07,616 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=242, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2024-11-09 10:37:07,619 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places. [2024-11-09 10:37:07,619 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 50 transitions, 242 flow [2024-11-09 10:37:07,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:07,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:07,620 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:07,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 10:37:07,620 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:07,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:07,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1477557023, now seen corresponding path program 1 times [2024-11-09 10:37:07,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:07,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963895255] [2024-11-09 10:37:07,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:07,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:07,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:07,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963895255] [2024-11-09 10:37:07,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963895255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:07,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:07,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 10:37:07,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677087341] [2024-11-09 10:37:07,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:07,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:37:07,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:07,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:37:07,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:37:07,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2024-11-09 10:37:07,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 50 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:07,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:07,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2024-11-09 10:37:07,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:08,000 INFO L124 PetriNetUnfolderBase]: 1318/2866 cut-off events. [2024-11-09 10:37:08,000 INFO L125 PetriNetUnfolderBase]: For 3639/4000 co-relation queries the response was YES. [2024-11-09 10:37:08,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8179 conditions, 2866 events. 1318/2866 cut-off events. For 3639/4000 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 22649 event pairs, 381 based on Foata normal form. 72/2674 useless extension candidates. Maximal degree in co-relation 8159. Up to 652 conditions per place. [2024-11-09 10:37:08,013 INFO L140 encePairwiseOnDemand]: 37/46 looper letters, 29 selfloop transitions, 8 changer transitions 19/81 dead transitions. [2024-11-09 10:37:08,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 81 transitions, 481 flow [2024-11-09 10:37:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 10:37:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 10:37:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 180 transitions. [2024-11-09 10:37:08,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6521739130434783 [2024-11-09 10:37:08,015 INFO L175 Difference]: Start difference. First operand has 63 places, 50 transitions, 242 flow. Second operand 6 states and 180 transitions. [2024-11-09 10:37:08,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 81 transitions, 481 flow [2024-11-09 10:37:08,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 81 transitions, 469 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-09 10:37:08,020 INFO L231 Difference]: Finished difference. Result has 69 places, 49 transitions, 251 flow [2024-11-09 10:37:08,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=251, PETRI_PLACES=69, PETRI_TRANSITIONS=49} [2024-11-09 10:37:08,022 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2024-11-09 10:37:08,022 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 49 transitions, 251 flow [2024-11-09 10:37:08,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:08,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:08,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:08,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 10:37:08,023 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:08,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:08,023 INFO L85 PathProgramCache]: Analyzing trace with hash 363695463, now seen corresponding path program 2 times [2024-11-09 10:37:08,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:08,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796670065] [2024-11-09 10:37:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:08,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:08,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796670065] [2024-11-09 10:37:08,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796670065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:08,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:08,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:37:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440939262] [2024-11-09 10:37:08,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:08,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:37:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:37:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:37:08,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 46 [2024-11-09 10:37:08,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 49 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:08,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:08,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 46 [2024-11-09 10:37:08,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:08,237 INFO L124 PetriNetUnfolderBase]: 541/1068 cut-off events. [2024-11-09 10:37:08,237 INFO L125 PetriNetUnfolderBase]: For 1362/1947 co-relation queries the response was YES. [2024-11-09 10:37:08,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3131 conditions, 1068 events. 541/1068 cut-off events. For 1362/1947 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6038 event pairs, 37 based on Foata normal form. 88/1084 useless extension candidates. Maximal degree in co-relation 3108. Up to 440 conditions per place. [2024-11-09 10:37:08,243 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 29 selfloop transitions, 11 changer transitions 0/64 dead transitions. [2024-11-09 10:37:08,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 367 flow [2024-11-09 10:37:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 10:37:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 10:37:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2024-11-09 10:37:08,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6739130434782609 [2024-11-09 10:37:08,244 INFO L175 Difference]: Start difference. First operand has 69 places, 49 transitions, 251 flow. Second operand 6 states and 186 transitions. [2024-11-09 10:37:08,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 367 flow [2024-11-09 10:37:08,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 338 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-09 10:37:08,247 INFO L231 Difference]: Finished difference. Result has 67 places, 50 transitions, 266 flow [2024-11-09 10:37:08,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=266, PETRI_PLACES=67, PETRI_TRANSITIONS=50} [2024-11-09 10:37:08,248 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2024-11-09 10:37:08,248 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 50 transitions, 266 flow [2024-11-09 10:37:08,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:08,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:37:08,248 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:08,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 10:37:08,248 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 10:37:08,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:37:08,251 INFO L85 PathProgramCache]: Analyzing trace with hash 767909392, now seen corresponding path program 1 times [2024-11-09 10:37:08,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:37:08,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751412935] [2024-11-09 10:37:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:37:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:37:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:37:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:37:08,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:37:08,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751412935] [2024-11-09 10:37:08,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751412935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:37:08,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:37:08,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 10:37:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384243751] [2024-11-09 10:37:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:37:08,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:37:08,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:37:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:37:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:37:08,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 46 [2024-11-09 10:37:08,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 50 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:08,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:37:08,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 46 [2024-11-09 10:37:08,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:37:08,538 INFO L124 PetriNetUnfolderBase]: 610/1307 cut-off events. [2024-11-09 10:37:08,538 INFO L125 PetriNetUnfolderBase]: For 2608/2784 co-relation queries the response was YES. [2024-11-09 10:37:08,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3859 conditions, 1307 events. 610/1307 cut-off events. For 2608/2784 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8754 event pairs, 158 based on Foata normal form. 25/1198 useless extension candidates. Maximal degree in co-relation 3839. Up to 646 conditions per place. [2024-11-09 10:37:08,544 INFO L140 encePairwiseOnDemand]: 37/46 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2024-11-09 10:37:08,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 76 transitions, 477 flow [2024-11-09 10:37:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 10:37:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 10:37:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 188 transitions. [2024-11-09 10:37:08,546 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5838509316770186 [2024-11-09 10:37:08,546 INFO L175 Difference]: Start difference. First operand has 67 places, 50 transitions, 266 flow. Second operand 7 states and 188 transitions. [2024-11-09 10:37:08,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 76 transitions, 477 flow [2024-11-09 10:37:08,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 453 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-09 10:37:08,550 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2024-11-09 10:37:08,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2024-11-09 10:37:08,551 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2024-11-09 10:37:08,551 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2024-11-09 10:37:08,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 10:37:08,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-09 10:37:08,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-09 10:37:08,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-09 10:37:08,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-09 10:37:08,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-09 10:37:08,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 10:37:08,555 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-11-09 10:37:08,559 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 10:37:08,559 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 10:37:08,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:37:08 BasicIcfg [2024-11-09 10:37:08,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 10:37:08,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 10:37:08,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 10:37:08,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 10:37:08,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:37:05" (3/4) ... [2024-11-09 10:37:08,568 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 10:37:08,570 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 10:37:08,571 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 10:37:08,571 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 10:37:08,574 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-09 10:37:08,574 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 10:37:08,574 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 10:37:08,574 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 10:37:08,637 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 10:37:08,637 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 10:37:08,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 10:37:08,638 INFO L158 Benchmark]: Toolchain (without parser) took 4177.74ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 148.1MB in the beginning and 126.7MB in the end (delta: 21.4MB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,638 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:37:08,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.03ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 129.5MB in the end (delta: 18.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 127.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,638 INFO L158 Benchmark]: Boogie Preprocessor took 34.47ms. Allocated memory is still 178.3MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,639 INFO L158 Benchmark]: RCFGBuilder took 368.96ms. Allocated memory is still 178.3MB. Free memory was 125.4MB in the beginning and 105.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,639 INFO L158 Benchmark]: TraceAbstraction took 3249.40ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 105.3MB in the beginning and 130.9MB in the end (delta: -25.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,639 INFO L158 Benchmark]: Witness Printer took 73.63ms. Allocated memory is still 260.0MB. Free memory was 130.9MB in the beginning and 126.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 10:37:08,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.03ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 129.5MB in the end (delta: 18.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.68ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 127.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.47ms. Allocated memory is still 178.3MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.96ms. Allocated memory is still 178.3MB. Free memory was 125.4MB in the beginning and 105.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3249.40ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 105.3MB in the beginning and 130.9MB in the end (delta: -25.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 73.63ms. Allocated memory is still 260.0MB. Free memory was 130.9MB in the beginning and 126.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 72 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 631 IncrementalHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 37 mSDtfsCounter, 631 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=7, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 10:37:08,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE