./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:49:20,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:49:21,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:49:21,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:49:21,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:49:21,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:49:21,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:49:21,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:49:21,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:49:21,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:49:21,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:49:21,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:49:21,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:49:21,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:49:21,093 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:49:21,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:49:21,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:49:21,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:49:21,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:49:21,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:49:21,098 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:49:21,098 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:49:21,098 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:49:21,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:49:21,099 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:49:21,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:49:21,099 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:49:21,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:49:21,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:49:21,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:49:21,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:49:21,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:49:21,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:49:21,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:49:21,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:49:21,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:49:21,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:49:21,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:49:21,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:49:21,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:49:21,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:49:21,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:49:21,105 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-10-11 19:49:21,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:49:21,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:49:21,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:49:21,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:49:21,375 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:49:21,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-10-11 19:49:22,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:49:23,128 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:49:23,132 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-10-11 19:49:23,153 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/814d27bfa/e4667b6739024a4a9e4f3eb98f887a71/FLAGf8d91b3f3 [2024-10-11 19:49:23,170 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/814d27bfa/e4667b6739024a4a9e4f3eb98f887a71 [2024-10-11 19:49:23,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:49:23,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:49:23,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:49:23,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:49:23,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:49:23,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2d7092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23, skipping insertion in model container [2024-10-11 19:49:23,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:49:23,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:49:23,569 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:49:23,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:49:23,681 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:49:23,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23 WrapperNode [2024-10-11 19:49:23,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:49:23,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:49:23,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:49:23,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:49:23,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,761 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 168 [2024-10-11 19:49:23,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:49:23,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:49:23,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:49:23,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:49:23,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,819 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 19:49:23,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:49:23,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:49:23,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:49:23,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:49:23,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (1/1) ... [2024-10-11 19:49:23,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:49:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:49:23,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:49:23,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:49:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 19:49:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:49:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-11 19:49:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-11 19:49:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 19:49:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 19:49:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 19:49:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 19:49:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 19:49:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:49:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:49:23,958 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:49:24,132 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:49:24,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:49:24,451 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:49:24,452 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:49:24,718 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:49:24,718 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:49:24,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:49:24 BoogieIcfgContainer [2024-10-11 19:49:24,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:49:24,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:49:24,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:49:24,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:49:24,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:49:23" (1/3) ... [2024-10-11 19:49:24,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1860575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:49:24, skipping insertion in model container [2024-10-11 19:49:24,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:49:23" (2/3) ... [2024-10-11 19:49:24,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1860575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:49:24, skipping insertion in model container [2024-10-11 19:49:24,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:49:24" (3/3) ... [2024-10-11 19:49:24,729 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-10-11 19:49:24,748 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:49:24,748 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 19:49:24,749 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:49:24,798 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:49:24,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 65 transitions, 134 flow [2024-10-11 19:49:24,880 INFO L124 PetriNetUnfolderBase]: 7/67 cut-off events. [2024-10-11 19:49:24,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:49:24,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 7/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 119 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-10-11 19:49:24,886 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 65 transitions, 134 flow [2024-10-11 19:49:24,891 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 64 transitions, 131 flow [2024-10-11 19:49:24,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:49:24,918 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;@5adac171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:49:24,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 19:49:24,927 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:49:24,928 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-10-11 19:49:24,928 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:49:24,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:24,929 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-11 19:49:24,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:24,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 16031112, now seen corresponding path program 1 times [2024-10-11 19:49:24,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:24,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444440711] [2024-10-11 19:49:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:24,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:25,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:25,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444440711] [2024-10-11 19:49:25,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444440711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:25,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:25,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:49:25,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118904220] [2024-10-11 19:49:25,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:25,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:49:25,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:49:25,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:49:25,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 65 [2024-10-11 19:49:25,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 64 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-10-11 19:49:25,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:25,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 65 [2024-10-11 19:49:25,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:25,524 INFO L124 PetriNetUnfolderBase]: 253/695 cut-off events. [2024-10-11 19:49:25,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:49:25,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 695 events. 253/695 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3645 event pairs, 238 based on Foata normal form. 89/775 useless extension candidates. Maximal degree in co-relation 1209. Up to 524 conditions per place. [2024-10-11 19:49:25,533 INFO L140 encePairwiseOnDemand]: 57/65 looper letters, 32 selfloop transitions, 1 changer transitions 2/54 dead transitions. [2024-10-11 19:49:25,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 54 transitions, 179 flow [2024-10-11 19:49:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:49:25,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:49:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-10-11 19:49:25,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-10-11 19:49:25,549 INFO L175 Difference]: Start difference. First operand has 60 places, 64 transitions, 131 flow. Second operand 3 states and 104 transitions. [2024-10-11 19:49:25,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 54 transitions, 179 flow [2024-10-11 19:49:25,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 54 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:49:25,557 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 108 flow [2024-10-11 19:49:25,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2024-10-11 19:49:25,565 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-10-11 19:49:25,565 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 108 flow [2024-10-11 19:49:25,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-10-11 19:49:25,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:25,566 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:49:25,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 19:49:25,566 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:25,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1562225767, now seen corresponding path program 1 times [2024-10-11 19:49:25,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:25,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565009290] [2024-10-11 19:49:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:25,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:25,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565009290] [2024-10-11 19:49:25,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565009290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:25,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:25,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:49:25,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859024433] [2024-10-11 19:49:25,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:25,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:49:25,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:25,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:49:25,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:49:25,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 65 [2024-10-11 19:49:25,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-10-11 19:49:25,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:25,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 65 [2024-10-11 19:49:25,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:26,129 INFO L124 PetriNetUnfolderBase]: 260/650 cut-off events. [2024-10-11 19:49:26,129 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:49:26,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 650 events. 260/650 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3229 event pairs, 56 based on Foata normal form. 0/618 useless extension candidates. Maximal degree in co-relation 1202. Up to 318 conditions per place. [2024-10-11 19:49:26,135 INFO L140 encePairwiseOnDemand]: 54/65 looper letters, 48 selfloop transitions, 11 changer transitions 8/81 dead transitions. [2024-10-11 19:49:26,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 81 transitions, 300 flow [2024-10-11 19:49:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:49:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:49:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166 transitions. [2024-10-11 19:49:26,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5107692307692308 [2024-10-11 19:49:26,142 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 108 flow. Second operand 5 states and 166 transitions. [2024-10-11 19:49:26,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 81 transitions, 300 flow [2024-10-11 19:49:26,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 81 transitions, 299 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:49:26,146 INFO L231 Difference]: Finished difference. Result has 60 places, 53 transitions, 161 flow [2024-10-11 19:49:26,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=161, PETRI_PLACES=60, PETRI_TRANSITIONS=53} [2024-10-11 19:49:26,147 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 0 predicate places. [2024-10-11 19:49:26,148 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 161 flow [2024-10-11 19:49:26,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-10-11 19:49:26,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:26,149 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:49:26,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 19:49:26,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:26,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:26,150 INFO L85 PathProgramCache]: Analyzing trace with hash -998469187, now seen corresponding path program 1 times [2024-10-11 19:49:26,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:26,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854131829] [2024-10-11 19:49:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:26,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:26,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:26,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854131829] [2024-10-11 19:49:26,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854131829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:26,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:26,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:49:26,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896810516] [2024-10-11 19:49:26,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:26,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:49:26,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:26,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:49:26,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:49:26,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 65 [2024-10-11 19:49:26,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 161 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-10-11 19:49:26,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:26,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 65 [2024-10-11 19:49:26,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:26,669 INFO L124 PetriNetUnfolderBase]: 253/726 cut-off events. [2024-10-11 19:49:26,669 INFO L125 PetriNetUnfolderBase]: For 148/148 co-relation queries the response was YES. [2024-10-11 19:49:26,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1537 conditions, 726 events. 253/726 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3915 event pairs, 72 based on Foata normal form. 15/736 useless extension candidates. Maximal degree in co-relation 1526. Up to 226 conditions per place. [2024-10-11 19:49:26,674 INFO L140 encePairwiseOnDemand]: 55/65 looper letters, 36 selfloop transitions, 4 changer transitions 54/105 dead transitions. [2024-10-11 19:49:26,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 105 transitions, 463 flow [2024-10-11 19:49:26,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:49:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:49:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 237 transitions. [2024-10-11 19:49:26,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45576923076923076 [2024-10-11 19:49:26,677 INFO L175 Difference]: Start difference. First operand has 60 places, 53 transitions, 161 flow. Second operand 8 states and 237 transitions. [2024-10-11 19:49:26,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 105 transitions, 463 flow [2024-10-11 19:49:26,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 105 transitions, 463 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 19:49:26,682 INFO L231 Difference]: Finished difference. Result has 71 places, 38 transitions, 117 flow [2024-10-11 19:49:26,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=117, PETRI_PLACES=71, PETRI_TRANSITIONS=38} [2024-10-11 19:49:26,683 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 11 predicate places. [2024-10-11 19:49:26,684 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 38 transitions, 117 flow [2024-10-11 19:49:26,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-10-11 19:49:26,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:26,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:49:26,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 19:49:26,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:26,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:26,685 INFO L85 PathProgramCache]: Analyzing trace with hash -294220499, now seen corresponding path program 1 times [2024-10-11 19:49:26,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:26,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852382872] [2024-10-11 19:49:26,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:26,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:26,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:26,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852382872] [2024-10-11 19:49:26,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852382872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:26,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:26,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:49:26,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387225929] [2024-10-11 19:49:26,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:26,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:49:26,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:26,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:49:26,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:49:26,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 65 [2024-10-11 19:49:26,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 38 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-10-11 19:49:26,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:26,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 65 [2024-10-11 19:49:26,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:26,937 INFO L124 PetriNetUnfolderBase]: 116/317 cut-off events. [2024-10-11 19:49:26,938 INFO L125 PetriNetUnfolderBase]: For 212/212 co-relation queries the response was YES. [2024-10-11 19:49:26,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 317 events. 116/317 cut-off events. For 212/212 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1333 event pairs, 55 based on Foata normal form. 11/326 useless extension candidates. Maximal degree in co-relation 750. Up to 178 conditions per place. [2024-10-11 19:49:26,940 INFO L140 encePairwiseOnDemand]: 59/65 looper letters, 40 selfloop transitions, 7 changer transitions 0/58 dead transitions. [2024-10-11 19:49:26,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 58 transitions, 279 flow [2024-10-11 19:49:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:49:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:49:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2024-10-11 19:49:26,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4430769230769231 [2024-10-11 19:49:26,944 INFO L175 Difference]: Start difference. First operand has 71 places, 38 transitions, 117 flow. Second operand 5 states and 144 transitions. [2024-10-11 19:49:26,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 58 transitions, 279 flow [2024-10-11 19:49:26,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 219 flow, removed 10 selfloop flow, removed 13 redundant places. [2024-10-11 19:49:26,948 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 129 flow [2024-10-11 19:49:26,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=129, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2024-10-11 19:49:26,950 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -9 predicate places. [2024-10-11 19:49:26,950 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 129 flow [2024-10-11 19:49:26,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-10-11 19:49:26,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:26,951 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] [2024-10-11 19:49:26,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 19:49:26,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:26,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:26,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1478318371, now seen corresponding path program 1 times [2024-10-11 19:49:26,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:26,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128204131] [2024-10-11 19:49:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:26,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:27,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128204131] [2024-10-11 19:49:27,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128204131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:27,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:27,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 19:49:27,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141046263] [2024-10-11 19:49:27,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:27,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:49:27,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:49:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:49:27,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 65 [2024-10-11 19:49:27,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2024-10-11 19:49:27,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:27,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 65 [2024-10-11 19:49:27,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:27,186 INFO L124 PetriNetUnfolderBase]: 109/294 cut-off events. [2024-10-11 19:49:27,187 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-10-11 19:49:27,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 294 events. 109/294 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1162 event pairs, 41 based on Foata normal form. 8/300 useless extension candidates. Maximal degree in co-relation 645. Up to 146 conditions per place. [2024-10-11 19:49:27,189 INFO L140 encePairwiseOnDemand]: 59/65 looper letters, 39 selfloop transitions, 10 changer transitions 0/58 dead transitions. [2024-10-11 19:49:27,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 58 transitions, 269 flow [2024-10-11 19:49:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:49:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:49:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2024-10-11 19:49:27,190 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4128205128205128 [2024-10-11 19:49:27,191 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 129 flow. Second operand 6 states and 161 transitions. [2024-10-11 19:49:27,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 58 transitions, 269 flow [2024-10-11 19:49:27,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 58 transitions, 259 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 19:49:27,193 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 144 flow [2024-10-11 19:49:27,193 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=144, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2024-10-11 19:49:27,194 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -9 predicate places. [2024-10-11 19:49:27,194 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 144 flow [2024-10-11 19:49:27,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2024-10-11 19:49:27,195 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:27,195 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] [2024-10-11 19:49:27,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 19:49:27,195 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:27,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1366417745, now seen corresponding path program 1 times [2024-10-11 19:49:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035721256] [2024-10-11 19:49:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:27,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:27,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035721256] [2024-10-11 19:49:27,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035721256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:27,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:27,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 19:49:27,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106851720] [2024-10-11 19:49:27,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:27,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 19:49:27,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:27,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 19:49:27,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 19:49:27,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 65 [2024-10-11 19:49:27,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-10-11 19:49:27,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:27,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 65 [2024-10-11 19:49:27,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:27,422 INFO L124 PetriNetUnfolderBase]: 75/237 cut-off events. [2024-10-11 19:49:27,422 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-10-11 19:49:27,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 237 events. 75/237 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 914 event pairs, 23 based on Foata normal form. 11/246 useless extension candidates. Maximal degree in co-relation 529. Up to 103 conditions per place. [2024-10-11 19:49:27,423 INFO L140 encePairwiseOnDemand]: 58/65 looper letters, 39 selfloop transitions, 7 changer transitions 2/59 dead transitions. [2024-10-11 19:49:27,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 59 transitions, 298 flow [2024-10-11 19:49:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:49:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:49:27,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2024-10-11 19:49:27,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5038461538461538 [2024-10-11 19:49:27,425 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 144 flow. Second operand 4 states and 131 transitions. [2024-10-11 19:49:27,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 59 transitions, 298 flow [2024-10-11 19:49:27,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 289 flow, removed 4 selfloop flow, removed 1 redundant places. [2024-10-11 19:49:27,430 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 159 flow [2024-10-11 19:49:27,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=159, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-10-11 19:49:27,430 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-10-11 19:49:27,431 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 159 flow [2024-10-11 19:49:27,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-10-11 19:49:27,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:27,431 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] [2024-10-11 19:49:27,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 19:49:27,431 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:27,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:27,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2122347300, now seen corresponding path program 1 times [2024-10-11 19:49:27,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:27,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150606592] [2024-10-11 19:49:27,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:27,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:27,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:27,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150606592] [2024-10-11 19:49:27,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150606592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:27,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:27,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:49:27,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661301164] [2024-10-11 19:49:27,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:27,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:49:27,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:49:27,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:49:27,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 65 [2024-10-11 19:49:27,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 159 flow. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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) [2024-10-11 19:49:27,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:27,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 65 [2024-10-11 19:49:27,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:27,667 INFO L124 PetriNetUnfolderBase]: 75/246 cut-off events. [2024-10-11 19:49:27,667 INFO L125 PetriNetUnfolderBase]: For 126/128 co-relation queries the response was YES. [2024-10-11 19:49:27,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 246 events. 75/246 cut-off events. For 126/128 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 958 event pairs, 29 based on Foata normal form. 2/248 useless extension candidates. Maximal degree in co-relation 578. Up to 106 conditions per place. [2024-10-11 19:49:27,669 INFO L140 encePairwiseOnDemand]: 60/65 looper letters, 36 selfloop transitions, 5 changer transitions 3/54 dead transitions. [2024-10-11 19:49:27,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 54 transitions, 286 flow [2024-10-11 19:49:27,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 19:49:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 19:49:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-10-11 19:49:27,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4846153846153846 [2024-10-11 19:49:27,671 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 159 flow. Second operand 4 states and 126 transitions. [2024-10-11 19:49:27,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 54 transitions, 286 flow [2024-10-11 19:49:27,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 54 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:49:27,674 INFO L231 Difference]: Finished difference. Result has 57 places, 40 transitions, 161 flow [2024-10-11 19:49:27,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=161, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2024-10-11 19:49:27,676 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-10-11 19:49:27,676 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 40 transitions, 161 flow [2024-10-11 19:49:27,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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) [2024-10-11 19:49:27,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:49:27,677 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] [2024-10-11 19:49:27,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 19:49:27,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-11 19:49:27,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:49:27,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1406544616, now seen corresponding path program 1 times [2024-10-11 19:49:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:49:27,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095596608] [2024-10-11 19:49:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:49:27,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:49:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:49:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:49:27,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:49:27,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095596608] [2024-10-11 19:49:27,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095596608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:49:27,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:49:27,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:49:27,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559906966] [2024-10-11 19:49:27,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:49:27,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:49:27,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:49:27,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:49:27,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:49:27,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 65 [2024-10-11 19:49:27,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 40 transitions, 161 flow. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2024-10-11 19:49:27,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:49:27,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 65 [2024-10-11 19:49:27,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:49:28,019 INFO L124 PetriNetUnfolderBase]: 74/213 cut-off events. [2024-10-11 19:49:28,019 INFO L125 PetriNetUnfolderBase]: For 134/138 co-relation queries the response was YES. [2024-10-11 19:49:28,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 213 events. 74/213 cut-off events. For 134/138 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 751 event pairs, 14 based on Foata normal form. 16/227 useless extension candidates. Maximal degree in co-relation 576. Up to 47 conditions per place. [2024-10-11 19:49:28,020 INFO L140 encePairwiseOnDemand]: 57/65 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2024-10-11 19:49:28,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 59 transitions, 341 flow [2024-10-11 19:49:28,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 19:49:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 19:49:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 221 transitions. [2024-10-11 19:49:28,022 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37777777777777777 [2024-10-11 19:49:28,022 INFO L175 Difference]: Start difference. First operand has 57 places, 40 transitions, 161 flow. Second operand 9 states and 221 transitions. [2024-10-11 19:49:28,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 59 transitions, 341 flow [2024-10-11 19:49:28,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 322 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 19:49:28,026 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-10-11 19:49:28,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2024-10-11 19:49:28,028 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-10-11 19:49:28,028 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-10-11 19:49:28,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2024-10-11 19:49:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-10-11 19:49:28,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-10-11 19:49:28,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-10-11 19:49:28,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 8 remaining) [2024-10-11 19:49:28,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONMEMORY_LEAK (3 of 8 remaining) [2024-10-11 19:49:28,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 8 remaining) [2024-10-11 19:49:28,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 8 remaining) [2024-10-11 19:49:28,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-10-11 19:49:28,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 19:49:28,036 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:49:28,066 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:49:28,069 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:49:28,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:49:28 BasicIcfg [2024-10-11 19:49:28,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:49:28,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:49:28,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:49:28,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:49:28,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:49:24" (3/4) ... [2024-10-11 19:49:28,083 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 19:49:28,086 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-11 19:49:28,092 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-10-11 19:49:28,092 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 19:49:28,093 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 19:49:28,093 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 19:49:28,192 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 19:49:28,193 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 19:49:28,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:49:28,194 INFO L158 Benchmark]: Toolchain (without parser) took 5018.72ms. Allocated memory was 144.7MB in the beginning and 245.4MB in the end (delta: 100.7MB). Free memory was 87.0MB in the beginning and 207.8MB in the end (delta: -120.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:49:28,194 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:49:28,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.74ms. Allocated memory is still 144.7MB. Free memory was 87.0MB in the beginning and 64.6MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 19:49:28,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.34ms. Allocated memory is still 144.7MB. Free memory was 64.6MB in the beginning and 115.8MB in the end (delta: -51.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-10-11 19:49:28,195 INFO L158 Benchmark]: Boogie Preprocessor took 78.42ms. Allocated memory is still 144.7MB. Free memory was 115.8MB in the beginning and 113.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:49:28,195 INFO L158 Benchmark]: RCFGBuilder took 873.95ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 59.5MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-10-11 19:49:28,196 INFO L158 Benchmark]: TraceAbstraction took 3358.39ms. Allocated memory was 144.7MB in the beginning and 245.4MB in the end (delta: 100.7MB). Free memory was 58.8MB in the beginning and 212.0MB in the end (delta: -153.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-10-11 19:49:28,196 INFO L158 Benchmark]: Witness Printer took 112.60ms. Allocated memory is still 245.4MB. Free memory was 212.0MB in the beginning and 207.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:49:28,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.74ms. Allocated memory is still 144.7MB. Free memory was 87.0MB in the beginning and 64.6MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.34ms. Allocated memory is still 144.7MB. Free memory was 64.6MB in the beginning and 115.8MB in the end (delta: -51.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.42ms. Allocated memory is still 144.7MB. Free memory was 115.8MB in the beginning and 113.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 873.95ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 59.5MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3358.39ms. Allocated memory was 144.7MB in the beginning and 245.4MB in the end (delta: 100.7MB). Free memory was 58.8MB in the beginning and 212.0MB in the end (delta: -153.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Witness Printer took 112.60ms. Allocated memory is still 245.4MB. Free memory was 212.0MB in the beginning and 207.8MB 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: 730]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: 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 3 procedures, 93 locations, 8 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: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 808 IncrementalHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 10 mSDtfsCounter, 808 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=2, InterpolantAutomatonStates: 44, 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, 1.1s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 19:49:28,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE