./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d 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/mix055_tso.oepc.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 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:17:04,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:17:04,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:17:04,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:17:04,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:17:04,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:17:04,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:17:04,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:17:04,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:17:04,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:17:04,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:17:04,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:17:04,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:17:04,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:17:04,823 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:17:04,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:17:04,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:17:04,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:17:04,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:17:04,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:17:04,828 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:17:04,829 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:17:04,829 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:17:04,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:17:04,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:17:04,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:17:04,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:17:04,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:17:04,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:17:04,830 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:17:04,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:17:04,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:17:04,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:17:04,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:17:04,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:17:04,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:17:04,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:17:04,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:17:04,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:17:04,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:17:04,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:17:04,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:17:04,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 [2024-11-17 03:17:05,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:17:05,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:17:05,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:17:05,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:17:05,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:17:05,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2024-11-17 03:17:06,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:17:06,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:17:06,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2024-11-17 03:17:06,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5c0ca5/6f282bda9ee04c888332989225dde743/FLAG2cc653874 [2024-11-17 03:17:07,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5c0ca5/6f282bda9ee04c888332989225dde743 [2024-11-17 03:17:07,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:17:07,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:17:07,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:17:07,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:17:07,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:17:07,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe443f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07, skipping insertion in model container [2024-11-17 03:17:07,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:17:07,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:17:07,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:17:07,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:17:07,737 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:17:07,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07 WrapperNode [2024-11-17 03:17:07,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:17:07,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:17:07,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:17:07,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:17:07,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,817 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 149 [2024-11-17 03:17:07,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:17:07,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:17:07,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:17:07,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:17:07,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,870 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]. [2024-11-17 03:17:07,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:17:07,904 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:17:07,906 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:17:07,906 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:17:07,907 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (1/1) ... [2024-11-17 03:17:07,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:17:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:17:07,953 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) [2024-11-17 03:17:07,957 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 [2024-11-17 03:17:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 03:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 03:17:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 03:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 03:17:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 03:17:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 03:17:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 03:17:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-17 03:17:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-17 03:17:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:17:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 03:17:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:17:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:17:08,006 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 03:17:08,148 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:17:08,151 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:17:08,522 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:17:08,523 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:17:08,790 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:17:08,790 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:17:08,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:17:08 BoogieIcfgContainer [2024-11-17 03:17:08,791 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:17:08,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:17:08,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:17:08,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:17:08,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:17:07" (1/3) ... [2024-11-17 03:17:08,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518f9b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:17:08, skipping insertion in model container [2024-11-17 03:17:08,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:07" (2/3) ... [2024-11-17 03:17:08,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518f9b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:17:08, skipping insertion in model container [2024-11-17 03:17:08,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:17:08" (3/3) ... [2024-11-17 03:17:08,802 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.i [2024-11-17 03:17:08,819 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:17:08,820 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-17 03:17:08,820 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:17:08,882 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 03:17:08,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2024-11-17 03:17:08,958 INFO L124 PetriNetUnfolderBase]: 2/49 cut-off events. [2024-11-17 03:17:08,958 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:17:08,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 49 events. 2/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-17 03:17:08,962 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 53 transitions, 122 flow [2024-11-17 03:17:08,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 49 transitions, 110 flow [2024-11-17 03:17:08,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:17:08,989 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;@2e33fcae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:17:08,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 03:17:08,997 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:17:08,998 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-17 03:17:08,998 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:17:08,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:08,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 03:17:08,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:09,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:09,008 INFO L85 PathProgramCache]: Analyzing trace with hash 112968354, now seen corresponding path program 1 times [2024-11-17 03:17:09,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:09,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196685029] [2024-11-17 03:17:09,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:09,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:09,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196685029] [2024-11-17 03:17:09,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196685029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:09,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:09,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:17:09,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004976727] [2024-11-17 03:17:09,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:09,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:17:09,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:09,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:17:09,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:17:09,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:09,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-17 03:17:09,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:09,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:09,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:16,185 INFO L124 PetriNetUnfolderBase]: 43115/57472 cut-off events. [2024-11-17 03:17:16,186 INFO L125 PetriNetUnfolderBase]: For 246/246 co-relation queries the response was YES. [2024-11-17 03:17:16,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114588 conditions, 57472 events. 43115/57472 cut-off events. For 246/246 co-relation queries the response was YES. Maximal size of possible extension queue 1683. Compared 348331 event pairs, 5325 based on Foata normal form. 2592/60053 useless extension candidates. Maximal degree in co-relation 114576. Up to 49011 conditions per place. [2024-11-17 03:17:16,612 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 61 selfloop transitions, 2 changer transitions 2/73 dead transitions. [2024-11-17 03:17:16,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 73 transitions, 294 flow [2024-11-17 03:17:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:17:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:17:16,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-11-17 03:17:16,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-17 03:17:16,628 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 110 flow. Second operand 3 states and 106 transitions. [2024-11-17 03:17:16,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 73 transitions, 294 flow [2024-11-17 03:17:16,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 73 transitions, 288 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 03:17:16,640 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 100 flow [2024-11-17 03:17:16,643 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-17 03:17:16,646 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-11-17 03:17:16,649 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 100 flow [2024-11-17 03:17:16,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-17 03:17:16,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:16,649 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:16,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:17:16,650 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:16,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash 690695565, now seen corresponding path program 1 times [2024-11-17 03:17:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:16,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761798859] [2024-11-17 03:17:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:16,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:16,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761798859] [2024-11-17 03:17:16,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761798859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:16,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:16,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:17:16,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865852266] [2024-11-17 03:17:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:16,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:17:16,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:16,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:17:16,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:17:16,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 53 [2024-11-17 03:17:16,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-17 03:17:16,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:16,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 53 [2024-11-17 03:17:16,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:21,065 INFO L124 PetriNetUnfolderBase]: 38795/54903 cut-off events. [2024-11-17 03:17:21,065 INFO L125 PetriNetUnfolderBase]: For 2028/2028 co-relation queries the response was YES. [2024-11-17 03:17:21,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108429 conditions, 54903 events. 38795/54903 cut-off events. For 2028/2028 co-relation queries the response was YES. Maximal size of possible extension queue 1697. Compared 359848 event pairs, 38795 based on Foata normal form. 1296/56163 useless extension candidates. Maximal degree in co-relation 108419. Up to 50976 conditions per place. [2024-11-17 03:17:21,416 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 34 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-11-17 03:17:21,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 170 flow [2024-11-17 03:17:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:17:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:17:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-17 03:17:21,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44025157232704404 [2024-11-17 03:17:21,419 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 70 transitions. [2024-11-17 03:17:21,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 170 flow [2024-11-17 03:17:21,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:17:21,425 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-11-17 03:17:21,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-11-17 03:17:21,426 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-11-17 03:17:21,426 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-11-17 03:17:21,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-17 03:17:21,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:21,427 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:21,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:17:21,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:21,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash 690696283, now seen corresponding path program 1 times [2024-11-17 03:17:21,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:21,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191738737] [2024-11-17 03:17:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:21,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:21,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:21,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191738737] [2024-11-17 03:17:21,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191738737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:21,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:21,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:17:21,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930959514] [2024-11-17 03:17:21,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:21,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:17:21,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:21,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:17:21,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:17:21,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:21,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-17 03:17:21,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:21,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:21,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:25,291 INFO L124 PetriNetUnfolderBase]: 31611/45409 cut-off events. [2024-11-17 03:17:25,291 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:17:25,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88187 conditions, 45409 events. 31611/45409 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1482. Compared 302412 event pairs, 3739 based on Foata normal form. 1296/46680 useless extension candidates. Maximal degree in co-relation 88181. Up to 26017 conditions per place. [2024-11-17 03:17:25,552 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 72 selfloop transitions, 6 changer transitions 1/86 dead transitions. [2024-11-17 03:17:25,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 86 transitions, 346 flow [2024-11-17 03:17:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:17:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:17:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 129 transitions. [2024-11-17 03:17:25,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6084905660377359 [2024-11-17 03:17:25,559 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 4 states and 129 transitions. [2024-11-17 03:17:25,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 86 transitions, 346 flow [2024-11-17 03:17:25,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 86 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 03:17:25,562 INFO L231 Difference]: Finished difference. Result has 57 places, 46 transitions, 135 flow [2024-11-17 03:17:25,563 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2024-11-17 03:17:25,564 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-17 03:17:25,564 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 135 flow [2024-11-17 03:17:25,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-17 03:17:25,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:25,565 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] [2024-11-17 03:17:25,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:17:25,565 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:25,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:25,566 INFO L85 PathProgramCache]: Analyzing trace with hash 817649815, now seen corresponding path program 1 times [2024-11-17 03:17:25,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:25,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377210420] [2024-11-17 03:17:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:25,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:25,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377210420] [2024-11-17 03:17:25,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377210420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:25,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:25,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:17:25,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064917001] [2024-11-17 03:17:25,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:25,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:17:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:17:25,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:17:25,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:25,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-17 03:17:25,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:25,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:25,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:28,577 INFO L124 PetriNetUnfolderBase]: 20347/29281 cut-off events. [2024-11-17 03:17:28,578 INFO L125 PetriNetUnfolderBase]: For 5458/5458 co-relation queries the response was YES. [2024-11-17 03:17:28,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65154 conditions, 29281 events. 20347/29281 cut-off events. For 5458/5458 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 180867 event pairs, 2151 based on Foata normal form. 1040/30296 useless extension candidates. Maximal degree in co-relation 65145. Up to 12193 conditions per place. [2024-11-17 03:17:28,740 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 93 selfloop transitions, 10 changer transitions 1/111 dead transitions. [2024-11-17 03:17:28,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 111 transitions, 502 flow [2024-11-17 03:17:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:17:28,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:17:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166 transitions. [2024-11-17 03:17:28,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6264150943396226 [2024-11-17 03:17:28,743 INFO L175 Difference]: Start difference. First operand has 57 places, 46 transitions, 135 flow. Second operand 5 states and 166 transitions. [2024-11-17 03:17:28,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 111 transitions, 502 flow [2024-11-17 03:17:28,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 111 transitions, 491 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-17 03:17:28,761 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 187 flow [2024-11-17 03:17:28,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-17 03:17:28,763 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places. [2024-11-17 03:17:28,764 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 187 flow [2024-11-17 03:17:28,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-17 03:17:28,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:28,765 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] [2024-11-17 03:17:28,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:17:28,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:28,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:28,766 INFO L85 PathProgramCache]: Analyzing trace with hash -696841825, now seen corresponding path program 1 times [2024-11-17 03:17:28,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:28,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964760110] [2024-11-17 03:17:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:28,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:29,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:29,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964760110] [2024-11-17 03:17:29,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964760110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:29,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:29,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:17:29,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662597305] [2024-11-17 03:17:29,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:29,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:17:29,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:29,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:17:29,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:17:29,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:29,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-11-17 03:17:29,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:29,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:29,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:30,438 INFO L124 PetriNetUnfolderBase]: 12027/16993 cut-off events. [2024-11-17 03:17:30,439 INFO L125 PetriNetUnfolderBase]: For 10030/10030 co-relation queries the response was YES. [2024-11-17 03:17:30,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41806 conditions, 16993 events. 12027/16993 cut-off events. For 10030/10030 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 92155 event pairs, 1839 based on Foata normal form. 528/17496 useless extension candidates. Maximal degree in co-relation 41795. Up to 4800 conditions per place. [2024-11-17 03:17:30,566 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 112 selfloop transitions, 14 changer transitions 1/134 dead transitions. [2024-11-17 03:17:30,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 134 transitions, 657 flow [2024-11-17 03:17:30,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:17:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:17:30,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2024-11-17 03:17:30,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6320754716981132 [2024-11-17 03:17:30,569 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 187 flow. Second operand 6 states and 201 transitions. [2024-11-17 03:17:30,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 134 transitions, 657 flow [2024-11-17 03:17:30,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 134 transitions, 627 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-17 03:17:30,694 INFO L231 Difference]: Finished difference. Result has 64 places, 54 transitions, 237 flow [2024-11-17 03:17:30,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2024-11-17 03:17:30,695 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2024-11-17 03:17:30,695 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 54 transitions, 237 flow [2024-11-17 03:17:30,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-11-17 03:17:30,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:30,696 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] [2024-11-17 03:17:30,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:17:30,696 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:30,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:30,697 INFO L85 PathProgramCache]: Analyzing trace with hash 941022662, now seen corresponding path program 1 times [2024-11-17 03:17:30,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:30,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414257948] [2024-11-17 03:17:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:30,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414257948] [2024-11-17 03:17:31,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414257948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:31,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:31,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:17:31,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856646015] [2024-11-17 03:17:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:31,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:17:31,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:31,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:17:31,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:17:31,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:31,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 54 transitions, 237 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-11-17 03:17:31,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:31,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:31,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:32,016 INFO L124 PetriNetUnfolderBase]: 9083/12513 cut-off events. [2024-11-17 03:17:32,017 INFO L125 PetriNetUnfolderBase]: For 9846/9846 co-relation queries the response was YES. [2024-11-17 03:17:32,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32239 conditions, 12513 events. 9083/12513 cut-off events. For 9846/9846 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 63635 event pairs, 1687 based on Foata normal form. 144/12632 useless extension candidates. Maximal degree in co-relation 32227. Up to 4608 conditions per place. [2024-11-17 03:17:32,102 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 97 selfloop transitions, 18 changer transitions 1/123 dead transitions. [2024-11-17 03:17:32,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 123 transitions, 623 flow [2024-11-17 03:17:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:17:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 03:17:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 202 transitions. [2024-11-17 03:17:32,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5444743935309974 [2024-11-17 03:17:32,105 INFO L175 Difference]: Start difference. First operand has 64 places, 54 transitions, 237 flow. Second operand 7 states and 202 transitions. [2024-11-17 03:17:32,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 123 transitions, 623 flow [2024-11-17 03:17:32,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 123 transitions, 577 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-17 03:17:32,336 INFO L231 Difference]: Finished difference. Result has 67 places, 54 transitions, 247 flow [2024-11-17 03:17:32,337 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=247, PETRI_PLACES=67, PETRI_TRANSITIONS=54} [2024-11-17 03:17:32,337 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2024-11-17 03:17:32,338 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 247 flow [2024-11-17 03:17:32,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-11-17 03:17:32,338 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:32,338 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, 1, 1, 1, 1] [2024-11-17 03:17:32,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:17:32,339 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:32,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:32,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1632132773, now seen corresponding path program 1 times [2024-11-17 03:17:32,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:32,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098174032] [2024-11-17 03:17:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:33,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:33,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098174032] [2024-11-17 03:17:33,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098174032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:33,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:33,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:17:33,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604595792] [2024-11-17 03:17:33,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:33,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:17:33,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:33,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:17:33,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:17:33,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:33,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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) [2024-11-17 03:17:33,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:33,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:33,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:34,505 INFO L124 PetriNetUnfolderBase]: 12819/17620 cut-off events. [2024-11-17 03:17:34,506 INFO L125 PetriNetUnfolderBase]: For 14232/14232 co-relation queries the response was YES. [2024-11-17 03:17:34,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45467 conditions, 17620 events. 12819/17620 cut-off events. For 14232/14232 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 93565 event pairs, 2383 based on Foata normal form. 16/17633 useless extension candidates. Maximal degree in co-relation 45454. Up to 9557 conditions per place. [2024-11-17 03:17:34,672 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 76 selfloop transitions, 6 changer transitions 25/114 dead transitions. [2024-11-17 03:17:34,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 114 transitions, 715 flow [2024-11-17 03:17:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:17:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:17:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2024-11-17 03:17:34,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49056603773584906 [2024-11-17 03:17:34,674 INFO L175 Difference]: Start difference. First operand has 67 places, 54 transitions, 247 flow. Second operand 6 states and 156 transitions. [2024-11-17 03:17:34,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 114 transitions, 715 flow [2024-11-17 03:17:34,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 114 transitions, 526 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-11-17 03:17:34,842 INFO L231 Difference]: Finished difference. Result has 66 places, 57 transitions, 186 flow [2024-11-17 03:17:34,843 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=186, PETRI_PLACES=66, PETRI_TRANSITIONS=57} [2024-11-17 03:17:34,843 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places. [2024-11-17 03:17:34,843 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 57 transitions, 186 flow [2024-11-17 03:17:34,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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) [2024-11-17 03:17:34,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:34,844 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, 1, 1, 1, 1] [2024-11-17 03:17:34,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:17:34,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:34,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:34,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1289472503, now seen corresponding path program 2 times [2024-11-17 03:17:34,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:34,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31543343] [2024-11-17 03:17:34,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:35,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:35,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31543343] [2024-11-17 03:17:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31543343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:35,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:35,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:17:35,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889529639] [2024-11-17 03:17:35,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:35,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:17:35,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:35,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:17:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:17:35,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:35,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 57 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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) [2024-11-17 03:17:35,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:35,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:35,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:36,649 INFO L124 PetriNetUnfolderBase]: 9155/12754 cut-off events. [2024-11-17 03:17:36,650 INFO L125 PetriNetUnfolderBase]: For 2783/2784 co-relation queries the response was YES. [2024-11-17 03:17:36,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30380 conditions, 12754 events. 9155/12754 cut-off events. For 2783/2784 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 65114 event pairs, 1317 based on Foata normal form. 16/12768 useless extension candidates. Maximal degree in co-relation 30368. Up to 7598 conditions per place. [2024-11-17 03:17:36,731 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 66 selfloop transitions, 1 changer transitions 54/128 dead transitions. [2024-11-17 03:17:36,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 128 transitions, 650 flow [2024-11-17 03:17:36,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:17:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:17:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2024-11-17 03:17:36,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-11-17 03:17:36,733 INFO L175 Difference]: Start difference. First operand has 66 places, 57 transitions, 186 flow. Second operand 6 states and 159 transitions. [2024-11-17 03:17:36,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 128 transitions, 650 flow [2024-11-17 03:17:36,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 128 transitions, 634 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-17 03:17:36,739 INFO L231 Difference]: Finished difference. Result has 70 places, 56 transitions, 183 flow [2024-11-17 03:17:36,739 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=183, PETRI_PLACES=70, PETRI_TRANSITIONS=56} [2024-11-17 03:17:36,740 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 10 predicate places. [2024-11-17 03:17:36,742 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 183 flow [2024-11-17 03:17:36,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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) [2024-11-17 03:17:36,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:36,743 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, 1, 1, 1, 1] [2024-11-17 03:17:36,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:17:36,745 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:36,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:36,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1105381261, now seen corresponding path program 3 times [2024-11-17 03:17:36,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:36,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939349871] [2024-11-17 03:17:36,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:37,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:37,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939349871] [2024-11-17 03:17:37,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939349871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:37,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:37,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:17:37,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644381713] [2024-11-17 03:17:37,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:37,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:17:37,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:37,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:17:37,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:17:37,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:37,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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) [2024-11-17 03:17:37,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:37,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:37,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:38,319 INFO L124 PetriNetUnfolderBase]: 9887/13938 cut-off events. [2024-11-17 03:17:38,319 INFO L125 PetriNetUnfolderBase]: For 4713/4713 co-relation queries the response was YES. [2024-11-17 03:17:38,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33782 conditions, 13938 events. 9887/13938 cut-off events. For 4713/4713 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 74036 event pairs, 2132 based on Foata normal form. 16/13951 useless extension candidates. Maximal degree in co-relation 33768. Up to 7731 conditions per place. [2024-11-17 03:17:38,432 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 52 selfloop transitions, 1 changer transitions 56/116 dead transitions. [2024-11-17 03:17:38,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 116 transitions, 589 flow [2024-11-17 03:17:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:17:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:17:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 154 transitions. [2024-11-17 03:17:38,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48427672955974843 [2024-11-17 03:17:38,434 INFO L175 Difference]: Start difference. First operand has 70 places, 56 transitions, 183 flow. Second operand 6 states and 154 transitions. [2024-11-17 03:17:38,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 116 transitions, 589 flow [2024-11-17 03:17:38,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 576 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-17 03:17:38,444 INFO L231 Difference]: Finished difference. Result has 72 places, 54 transitions, 178 flow [2024-11-17 03:17:38,444 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=178, PETRI_PLACES=72, PETRI_TRANSITIONS=54} [2024-11-17 03:17:38,444 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2024-11-17 03:17:38,445 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 54 transitions, 178 flow [2024-11-17 03:17:38,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 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) [2024-11-17 03:17:38,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:38,445 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, 1, 1, 1, 1] [2024-11-17 03:17:38,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:17:38,445 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:38,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1923269861, now seen corresponding path program 4 times [2024-11-17 03:17:38,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:38,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943029832] [2024-11-17 03:17:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:40,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:40,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943029832] [2024-11-17 03:17:40,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943029832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:40,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:40,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 03:17:40,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417700842] [2024-11-17 03:17:40,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:40,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:17:40,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:40,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:17:40,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:17:40,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 53 [2024-11-17 03:17:40,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 54 transitions, 178 flow. Second operand has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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) [2024-11-17 03:17:40,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:40,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 53 [2024-11-17 03:17:40,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:42,268 INFO L124 PetriNetUnfolderBase]: 7493/10905 cut-off events. [2024-11-17 03:17:42,269 INFO L125 PetriNetUnfolderBase]: For 2928/2928 co-relation queries the response was YES. [2024-11-17 03:17:42,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26652 conditions, 10905 events. 7493/10905 cut-off events. For 2928/2928 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 59346 event pairs, 3303 based on Foata normal form. 16/10918 useless extension candidates. Maximal degree in co-relation 26637. Up to 6506 conditions per place. [2024-11-17 03:17:42,331 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 64 selfloop transitions, 4 changer transitions 28/103 dead transitions. [2024-11-17 03:17:42,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 103 transitions, 525 flow [2024-11-17 03:17:42,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:17:42,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:17:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions. [2024-11-17 03:17:42,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4559748427672956 [2024-11-17 03:17:42,333 INFO L175 Difference]: Start difference. First operand has 72 places, 54 transitions, 178 flow. Second operand 6 states and 145 transitions. [2024-11-17 03:17:42,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 103 transitions, 525 flow [2024-11-17 03:17:42,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 103 transitions, 510 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-17 03:17:42,339 INFO L231 Difference]: Finished difference. Result has 72 places, 56 transitions, 194 flow [2024-11-17 03:17:42,339 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=72, PETRI_TRANSITIONS=56} [2024-11-17 03:17:42,340 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2024-11-17 03:17:42,340 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 56 transitions, 194 flow [2024-11-17 03:17:42,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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) [2024-11-17 03:17:42,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:42,340 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, 1, 1, 1, 1] [2024-11-17 03:17:42,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:17:42,341 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:17:42,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:42,342 INFO L85 PathProgramCache]: Analyzing trace with hash -79457189, now seen corresponding path program 5 times [2024-11-17 03:17:42,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:42,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084200631] [2024-11-17 03:17:42,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:42,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat