./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:33:46,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:33:46,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:33:46,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:33:46,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:33:46,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:33:46,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:33:46,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:33:46,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:33:46,720 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:33:46,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:33:46,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:33:46,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:33:46,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:33:46,721 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:33:46,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:33:46,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:33:46,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:33:46,722 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:33:46,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:33:46,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:33:46,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:33:46,724 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 [2024-11-07 19:33:46,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:33:46,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:33:46,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:33:46,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:33:46,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:33:46,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-11-07 19:33:48,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:33:48,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:33:48,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-11-07 19:33:48,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/39fbc7654/56203e82118f4853a451fcbe69f487d7/FLAG763d4215d [2024-11-07 19:33:48,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/39fbc7654/56203e82118f4853a451fcbe69f487d7 [2024-11-07 19:33:48,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:33:48,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:33:48,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:33:48,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:33:48,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:33:48,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d14b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48, skipping insertion in model container [2024-11-07 19:33:48,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:33:48,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:33:48,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:33:48,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:33:48,412 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:33:48,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48 WrapperNode [2024-11-07 19:33:48,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:33:48,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:33:48,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:33:48,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:33:48,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,439 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 96 [2024-11-07 19:33:48,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:33:48,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:33:48,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:33:48,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:33:48,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,464 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]. [2024-11-07 19:33:48,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:33:48,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:33:48,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:33:48,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:33:48,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (1/1) ... [2024-11-07 19:33:48,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:33:48,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:33:48,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:33:48,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:33:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:33:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 19:33:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 19:33:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 19:33:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 19:33:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 19:33:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 19:33:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-07 19:33:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-07 19:33:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:33:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:33:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:33:48,516 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 19:33:48,593 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:33:48,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:33:48,781 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:33:48,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:33:48,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:33:48,899 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 19:33:48,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:33:48 BoogieIcfgContainer [2024-11-07 19:33:48,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:33:48,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:33:48,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:33:48,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:33:48,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:33:48" (1/3) ... [2024-11-07 19:33:48,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b22ffa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:33:48, skipping insertion in model container [2024-11-07 19:33:48,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:33:48" (2/3) ... [2024-11-07 19:33:48,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b22ffa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:33:48, skipping insertion in model container [2024-11-07 19:33:48,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:33:48" (3/3) ... [2024-11-07 19:33:48,909 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-11-07 19:33:48,920 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:33:48,921 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 19:33:48,921 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:33:48,978 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-07 19:33:49,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 42 transitions, 112 flow [2024-11-07 19:33:49,044 INFO L124 PetriNetUnfolderBase]: 4/38 cut-off events. [2024-11-07 19:33:49,046 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 19:33:49,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 38 events. 4/38 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-11-07 19:33:49,050 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 42 transitions, 112 flow [2024-11-07 19:33:49,053 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 37 transitions, 98 flow [2024-11-07 19:33:49,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:33:49,069 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;@47690d7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:33:49,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 19:33:49,083 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:33:49,085 INFO L124 PetriNetUnfolderBase]: 4/34 cut-off events. [2024-11-07 19:33:49,085 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 19:33:49,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:49,086 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:33:49,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:49,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:49,090 INFO L85 PathProgramCache]: Analyzing trace with hash 40613773, now seen corresponding path program 1 times [2024-11-07 19:33:49,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:49,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751125954] [2024-11-07 19:33:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:49,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:49,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751125954] [2024-11-07 19:33:49,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751125954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:49,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:49,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:33:49,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470700318] [2024-11-07 19:33:49,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:33:49,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:49,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:33:49,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:33:49,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-11-07 19:33:49,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-07 19:33:49,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:49,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-11-07 19:33:49,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:49,881 INFO L124 PetriNetUnfolderBase]: 4206/5682 cut-off events. [2024-11-07 19:33:49,881 INFO L125 PetriNetUnfolderBase]: For 465/465 co-relation queries the response was YES. [2024-11-07 19:33:49,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11670 conditions, 5682 events. 4206/5682 cut-off events. For 465/465 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 23972 event pairs, 1080 based on Foata normal form. 2/5293 useless extension candidates. Maximal degree in co-relation 10307. Up to 4714 conditions per place. [2024-11-07 19:33:49,929 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 48 selfloop transitions, 3 changer transitions 2/56 dead transitions. [2024-11-07 19:33:49,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 56 transitions, 263 flow [2024-11-07 19:33:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:33:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:33:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-11-07 19:33:49,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2024-11-07 19:33:49,939 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 98 flow. Second operand 3 states and 81 transitions. [2024-11-07 19:33:49,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 56 transitions, 263 flow [2024-11-07 19:33:49,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 56 transitions, 233 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-07 19:33:49,946 INFO L231 Difference]: Finished difference. Result has 39 places, 37 transitions, 101 flow [2024-11-07 19:33:49,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=39, PETRI_TRANSITIONS=37} [2024-11-07 19:33:49,953 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -7 predicate places. [2024-11-07 19:33:49,953 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 37 transitions, 101 flow [2024-11-07 19:33:49,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-07 19:33:49,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:49,954 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] [2024-11-07 19:33:49,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:33:49,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:49,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1127953092, now seen corresponding path program 1 times [2024-11-07 19:33:49,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:49,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824779911] [2024-11-07 19:33:49,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:49,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:50,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:50,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824779911] [2024-11-07 19:33:50,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824779911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:50,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:50,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:33:50,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572843898] [2024-11-07 19:33:50,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:50,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:33:50,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:50,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:33:50,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:33:50,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:50,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 37 transitions, 101 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:50,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:50,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:50,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:50,817 INFO L124 PetriNetUnfolderBase]: 9567/12563 cut-off events. [2024-11-07 19:33:50,818 INFO L125 PetriNetUnfolderBase]: For 1508/1508 co-relation queries the response was YES. [2024-11-07 19:33:50,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27973 conditions, 12563 events. 9567/12563 cut-off events. For 1508/1508 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 59440 event pairs, 3002 based on Foata normal form. 0/11896 useless extension candidates. Maximal degree in co-relation 3413. Up to 6920 conditions per place. [2024-11-07 19:33:50,867 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 94 selfloop transitions, 10 changer transitions 0/106 dead transitions. [2024-11-07 19:33:50,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 106 transitions, 491 flow [2024-11-07 19:33:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:33:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:33:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 133 transitions. [2024-11-07 19:33:50,871 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2024-11-07 19:33:50,871 INFO L175 Difference]: Start difference. First operand has 39 places, 37 transitions, 101 flow. Second operand 5 states and 133 transitions. [2024-11-07 19:33:50,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 106 transitions, 491 flow [2024-11-07 19:33:50,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 106 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:33:50,874 INFO L231 Difference]: Finished difference. Result has 45 places, 46 transitions, 161 flow [2024-11-07 19:33:50,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=161, PETRI_PLACES=45, PETRI_TRANSITIONS=46} [2024-11-07 19:33:50,875 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-07 19:33:50,875 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 161 flow [2024-11-07 19:33:50,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:50,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:50,875 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] [2024-11-07 19:33:50,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:33:50,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:50,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:50,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1995278604, now seen corresponding path program 2 times [2024-11-07 19:33:50,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:50,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974609109] [2024-11-07 19:33:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:50,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:50,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974609109] [2024-11-07 19:33:50,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974609109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:50,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:50,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:33:50,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814396243] [2024-11-07 19:33:50,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:50,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:33:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:33:50,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:33:50,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:50,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 46 transitions, 161 flow. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:33:50,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:50,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:50,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:52,101 INFO L124 PetriNetUnfolderBase]: 13384/17529 cut-off events. [2024-11-07 19:33:52,101 INFO L125 PetriNetUnfolderBase]: For 6043/6043 co-relation queries the response was YES. [2024-11-07 19:33:52,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45628 conditions, 17529 events. 13384/17529 cut-off events. For 6043/6043 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 86912 event pairs, 1663 based on Foata normal form. 332/17855 useless extension candidates. Maximal degree in co-relation 25847. Up to 5300 conditions per place. [2024-11-07 19:33:52,157 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 147 selfloop transitions, 13 changer transitions 0/162 dead transitions. [2024-11-07 19:33:52,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 162 transitions, 820 flow [2024-11-07 19:33:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:33:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:33:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2024-11-07 19:33:52,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6700680272108843 [2024-11-07 19:33:52,159 INFO L175 Difference]: Start difference. First operand has 45 places, 46 transitions, 161 flow. Second operand 7 states and 197 transitions. [2024-11-07 19:33:52,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 162 transitions, 820 flow [2024-11-07 19:33:52,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 162 transitions, 820 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 19:33:52,165 INFO L231 Difference]: Finished difference. Result has 56 places, 52 transitions, 252 flow [2024-11-07 19:33:52,165 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=252, PETRI_PLACES=56, PETRI_TRANSITIONS=52} [2024-11-07 19:33:52,166 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 10 predicate places. [2024-11-07 19:33:52,166 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 52 transitions, 252 flow [2024-11-07 19:33:52,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:33:52,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:52,166 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] [2024-11-07 19:33:52,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:33:52,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:52,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:52,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1973583774, now seen corresponding path program 3 times [2024-11-07 19:33:52,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:52,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130585543] [2024-11-07 19:33:52,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:52,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:52,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:52,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130585543] [2024-11-07 19:33:52,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130585543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:52,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:52,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:33:52,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746695527] [2024-11-07 19:33:52,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:52,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:33:52,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:52,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:33:52,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:33:52,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:52,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 252 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:52,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:52,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:52,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:53,327 INFO L124 PetriNetUnfolderBase]: 19352/25340 cut-off events. [2024-11-07 19:33:53,328 INFO L125 PetriNetUnfolderBase]: For 27689/27689 co-relation queries the response was YES. [2024-11-07 19:33:53,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74150 conditions, 25340 events. 19352/25340 cut-off events. For 27689/27689 co-relation queries the response was YES. Maximal size of possible extension queue 875. Compared 127540 event pairs, 6316 based on Foata normal form. 62/25390 useless extension candidates. Maximal degree in co-relation 56434. Up to 11589 conditions per place. [2024-11-07 19:33:53,525 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 112 selfloop transitions, 12 changer transitions 0/126 dead transitions. [2024-11-07 19:33:53,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 126 transitions, 769 flow [2024-11-07 19:33:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:33:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:33:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2024-11-07 19:33:53,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6285714285714286 [2024-11-07 19:33:53,531 INFO L175 Difference]: Start difference. First operand has 56 places, 52 transitions, 252 flow. Second operand 5 states and 132 transitions. [2024-11-07 19:33:53,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 126 transitions, 769 flow [2024-11-07 19:33:53,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 126 transitions, 756 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 19:33:53,637 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 320 flow [2024-11-07 19:33:53,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=320, PETRI_PLACES=62, PETRI_TRANSITIONS=56} [2024-11-07 19:33:53,638 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 16 predicate places. [2024-11-07 19:33:53,638 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 320 flow [2024-11-07 19:33:53,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:53,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:53,638 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] [2024-11-07 19:33:53,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:33:53,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:53,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:53,639 INFO L85 PathProgramCache]: Analyzing trace with hash 459858204, now seen corresponding path program 1 times [2024-11-07 19:33:53,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:53,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122154831] [2024-11-07 19:33:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:53,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:53,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:53,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122154831] [2024-11-07 19:33:53,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122154831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:53,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:53,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:33:53,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519955521] [2024-11-07 19:33:53,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:53,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:33:53,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:53,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:33:53,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:33:53,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:53,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 320 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:53,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:53,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:53,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:54,815 INFO L124 PetriNetUnfolderBase]: 20722/27438 cut-off events. [2024-11-07 19:33:54,815 INFO L125 PetriNetUnfolderBase]: For 45582/45984 co-relation queries the response was YES. [2024-11-07 19:33:54,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84697 conditions, 27438 events. 20722/27438 cut-off events. For 45582/45984 co-relation queries the response was YES. Maximal size of possible extension queue 933. Compared 143808 event pairs, 6131 based on Foata normal form. 0/26037 useless extension candidates. Maximal degree in co-relation 71866. Up to 13895 conditions per place. [2024-11-07 19:33:54,917 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 93 selfloop transitions, 10 changer transitions 15/121 dead transitions. [2024-11-07 19:33:54,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 121 transitions, 795 flow [2024-11-07 19:33:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:33:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:33:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2024-11-07 19:33:54,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6238095238095238 [2024-11-07 19:33:54,918 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 320 flow. Second operand 5 states and 131 transitions. [2024-11-07 19:33:54,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 121 transitions, 795 flow [2024-11-07 19:33:55,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 121 transitions, 759 flow, removed 12 selfloop flow, removed 1 redundant places. [2024-11-07 19:33:55,013 INFO L231 Difference]: Finished difference. Result has 67 places, 56 transitions, 334 flow [2024-11-07 19:33:55,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=334, PETRI_PLACES=67, PETRI_TRANSITIONS=56} [2024-11-07 19:33:55,014 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 21 predicate places. [2024-11-07 19:33:55,014 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 56 transitions, 334 flow [2024-11-07 19:33:55,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:55,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:55,015 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] [2024-11-07 19:33:55,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:33:55,015 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:55,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:55,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1370428134, now seen corresponding path program 4 times [2024-11-07 19:33:55,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:55,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599917413] [2024-11-07 19:33:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:55,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:55,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:55,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:55,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599917413] [2024-11-07 19:33:55,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599917413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:55,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:55,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:33:55,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090807826] [2024-11-07 19:33:55,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:55,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:33:55,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:55,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:33:55,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:33:55,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:55,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 56 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:33:55,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:55,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:55,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:56,256 INFO L124 PetriNetUnfolderBase]: 19864/26164 cut-off events. [2024-11-07 19:33:56,256 INFO L125 PetriNetUnfolderBase]: For 52782/54280 co-relation queries the response was YES. [2024-11-07 19:33:56,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82590 conditions, 26164 events. 19864/26164 cut-off events. For 52782/54280 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 133555 event pairs, 6657 based on Foata normal form. 404/26548 useless extension candidates. Maximal degree in co-relation 61382. Up to 13555 conditions per place. [2024-11-07 19:33:56,345 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 126 selfloop transitions, 19 changer transitions 0/147 dead transitions. [2024-11-07 19:33:56,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 147 transitions, 997 flow [2024-11-07 19:33:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:33:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:33:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2024-11-07 19:33:56,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2024-11-07 19:33:56,346 INFO L175 Difference]: Start difference. First operand has 67 places, 56 transitions, 334 flow. Second operand 6 states and 161 transitions. [2024-11-07 19:33:56,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 147 transitions, 997 flow [2024-11-07 19:33:56,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 147 transitions, 957 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-07 19:33:56,417 INFO L231 Difference]: Finished difference. Result has 71 places, 65 transitions, 459 flow [2024-11-07 19:33:56,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=459, PETRI_PLACES=71, PETRI_TRANSITIONS=65} [2024-11-07 19:33:56,418 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2024-11-07 19:33:56,418 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 65 transitions, 459 flow [2024-11-07 19:33:56,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:33:56,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:56,418 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] [2024-11-07 19:33:56,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:33:56,419 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:56,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:56,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1754650076, now seen corresponding path program 2 times [2024-11-07 19:33:56,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:56,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050040900] [2024-11-07 19:33:56,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:56,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:56,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050040900] [2024-11-07 19:33:56,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050040900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:56,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:56,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:33:56,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512315442] [2024-11-07 19:33:56,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:56,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:33:56,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:56,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:33:56,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:33:56,470 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:56,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 65 transitions, 459 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:56,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:56,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:56,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:33:58,162 INFO L124 PetriNetUnfolderBase]: 25427/33725 cut-off events. [2024-11-07 19:33:58,162 INFO L125 PetriNetUnfolderBase]: For 84731/85203 co-relation queries the response was YES. [2024-11-07 19:33:58,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114024 conditions, 33725 events. 25427/33725 cut-off events. For 84731/85203 co-relation queries the response was YES. Maximal size of possible extension queue 1175. Compared 184114 event pairs, 7856 based on Foata normal form. 44/32011 useless extension candidates. Maximal degree in co-relation 80672. Up to 19107 conditions per place. [2024-11-07 19:33:58,317 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 115 selfloop transitions, 28 changer transitions 1/148 dead transitions. [2024-11-07 19:33:58,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 148 transitions, 1193 flow [2024-11-07 19:33:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:33:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:33:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2024-11-07 19:33:58,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6285714285714286 [2024-11-07 19:33:58,319 INFO L175 Difference]: Start difference. First operand has 71 places, 65 transitions, 459 flow. Second operand 5 states and 132 transitions. [2024-11-07 19:33:58,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 148 transitions, 1193 flow [2024-11-07 19:33:58,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 148 transitions, 1143 flow, removed 14 selfloop flow, removed 1 redundant places. [2024-11-07 19:33:58,579 INFO L231 Difference]: Finished difference. Result has 77 places, 79 transitions, 652 flow [2024-11-07 19:33:58,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=652, PETRI_PLACES=77, PETRI_TRANSITIONS=79} [2024-11-07 19:33:58,580 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 31 predicate places. [2024-11-07 19:33:58,580 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 79 transitions, 652 flow [2024-11-07 19:33:58,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:58,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:33:58,580 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] [2024-11-07 19:33:58,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:33:58,580 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:33:58,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:33:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash -533777718, now seen corresponding path program 3 times [2024-11-07 19:33:58,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:33:58,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623088891] [2024-11-07 19:33:58,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:33:58,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:33:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:33:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:33:58,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:33:58,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623088891] [2024-11-07 19:33:58,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623088891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:33:58,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:33:58,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:33:58,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932519971] [2024-11-07 19:33:58,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:33:58,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:33:58,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:33:58,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:33:58,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:33:58,652 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:33:58,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 79 transitions, 652 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:33:58,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:33:58,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:33:58,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:01,036 INFO L124 PetriNetUnfolderBase]: 35123/45841 cut-off events. [2024-11-07 19:34:01,036 INFO L125 PetriNetUnfolderBase]: For 135906/136577 co-relation queries the response was YES. [2024-11-07 19:34:01,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171273 conditions, 45841 events. 35123/45841 cut-off events. For 135906/136577 co-relation queries the response was YES. Maximal size of possible extension queue 1466. Compared 244706 event pairs, 13835 based on Foata normal form. 125/45832 useless extension candidates. Maximal degree in co-relation 120255. Up to 28780 conditions per place. [2024-11-07 19:34:01,335 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 149 selfloop transitions, 24 changer transitions 1/178 dead transitions. [2024-11-07 19:34:01,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 178 transitions, 1675 flow [2024-11-07 19:34:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:34:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:34:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions. [2024-11-07 19:34:01,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2024-11-07 19:34:01,337 INFO L175 Difference]: Start difference. First operand has 77 places, 79 transitions, 652 flow. Second operand 5 states and 130 transitions. [2024-11-07 19:34:01,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 178 transitions, 1675 flow [2024-11-07 19:34:01,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 178 transitions, 1639 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-07 19:34:01,580 INFO L231 Difference]: Finished difference. Result has 83 places, 98 transitions, 960 flow [2024-11-07 19:34:01,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=960, PETRI_PLACES=83, PETRI_TRANSITIONS=98} [2024-11-07 19:34:01,580 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 37 predicate places. [2024-11-07 19:34:01,581 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 98 transitions, 960 flow [2024-11-07 19:34:01,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:01,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:01,581 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] [2024-11-07 19:34:01,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 19:34:01,581 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:01,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash -416453794, now seen corresponding path program 5 times [2024-11-07 19:34:01,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:01,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219535084] [2024-11-07 19:34:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:01,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:01,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:01,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219535084] [2024-11-07 19:34:01,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219535084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:01,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:01,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:34:01,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462985088] [2024-11-07 19:34:01,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:01,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:34:01,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:01,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:34:01,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:34:01,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:34:01,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 98 transitions, 960 flow. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:34:01,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:01,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:34:01,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:04,273 INFO L124 PetriNetUnfolderBase]: 36090/47270 cut-off events. [2024-11-07 19:34:04,273 INFO L125 PetriNetUnfolderBase]: For 173618/176123 co-relation queries the response was YES. [2024-11-07 19:34:04,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184494 conditions, 47270 events. 36090/47270 cut-off events. For 173618/176123 co-relation queries the response was YES. Maximal size of possible extension queue 1645. Compared 264226 event pairs, 10326 based on Foata normal form. 654/47774 useless extension candidates. Maximal degree in co-relation 139143. Up to 25183 conditions per place. [2024-11-07 19:34:04,532 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 142 selfloop transitions, 47 changer transitions 0/191 dead transitions. [2024-11-07 19:34:04,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 191 transitions, 1774 flow [2024-11-07 19:34:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:34:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:34:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions. [2024-11-07 19:34:04,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6547619047619048 [2024-11-07 19:34:04,534 INFO L175 Difference]: Start difference. First operand has 83 places, 98 transitions, 960 flow. Second operand 6 states and 165 transitions. [2024-11-07 19:34:04,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 191 transitions, 1774 flow [2024-11-07 19:34:05,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 191 transitions, 1734 flow, removed 20 selfloop flow, removed 0 redundant places. [2024-11-07 19:34:05,010 INFO L231 Difference]: Finished difference. Result has 90 places, 102 transitions, 1106 flow [2024-11-07 19:34:05,010 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1106, PETRI_PLACES=90, PETRI_TRANSITIONS=102} [2024-11-07 19:34:05,012 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 44 predicate places. [2024-11-07 19:34:05,012 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 102 transitions, 1106 flow [2024-11-07 19:34:05,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:34:05,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:05,013 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] [2024-11-07 19:34:05,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 19:34:05,013 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:05,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:05,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1640081228, now seen corresponding path program 4 times [2024-11-07 19:34:05,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:05,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625156248] [2024-11-07 19:34:05,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:05,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:05,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625156248] [2024-11-07 19:34:05,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625156248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:05,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:05,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:34:05,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197746006] [2024-11-07 19:34:05,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:05,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:34:05,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:05,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:34:05,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:34:05,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:34:05,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 102 transitions, 1106 flow. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:34:05,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:05,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:34:05,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:08,635 INFO L124 PetriNetUnfolderBase]: 50019/65532 cut-off events. [2024-11-07 19:34:08,636 INFO L125 PetriNetUnfolderBase]: For 301127/303320 co-relation queries the response was YES. [2024-11-07 19:34:08,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259011 conditions, 65532 events. 50019/65532 cut-off events. For 301127/303320 co-relation queries the response was YES. Maximal size of possible extension queue 2357. Compared 379532 event pairs, 5596 based on Foata normal form. 806/66213 useless extension candidates. Maximal degree in co-relation 194085. Up to 27673 conditions per place. [2024-11-07 19:34:09,030 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 257 selfloop transitions, 28 changer transitions 19/309 dead transitions. [2024-11-07 19:34:09,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 309 transitions, 3657 flow [2024-11-07 19:34:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:34:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:34:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions. [2024-11-07 19:34:09,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6258503401360545 [2024-11-07 19:34:09,031 INFO L175 Difference]: Start difference. First operand has 90 places, 102 transitions, 1106 flow. Second operand 7 states and 184 transitions. [2024-11-07 19:34:09,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 309 transitions, 3657 flow [2024-11-07 19:34:10,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 309 transitions, 3423 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-07 19:34:10,064 INFO L231 Difference]: Finished difference. Result has 98 places, 118 transitions, 1414 flow [2024-11-07 19:34:10,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1016, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1414, PETRI_PLACES=98, PETRI_TRANSITIONS=118} [2024-11-07 19:34:10,065 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 52 predicate places. [2024-11-07 19:34:10,065 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 118 transitions, 1414 flow [2024-11-07 19:34:10,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-07 19:34:10,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:10,066 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] [2024-11-07 19:34:10,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 19:34:10,066 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:10,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:10,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1574197328, now seen corresponding path program 5 times [2024-11-07 19:34:10,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:10,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801348596] [2024-11-07 19:34:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:10,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:10,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801348596] [2024-11-07 19:34:10,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801348596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:10,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:10,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:34:10,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808547547] [2024-11-07 19:34:10,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:10,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:34:10,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:10,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:34:10,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:34:10,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:34:10,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 118 transitions, 1414 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:10,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:10,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:34:10,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:14,064 INFO L124 PetriNetUnfolderBase]: 48840/65077 cut-off events. [2024-11-07 19:34:14,064 INFO L125 PetriNetUnfolderBase]: For 326941/328126 co-relation queries the response was YES. [2024-11-07 19:34:14,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270334 conditions, 65077 events. 48840/65077 cut-off events. For 326941/328126 co-relation queries the response was YES. Maximal size of possible extension queue 2264. Compared 383751 event pairs, 15474 based on Foata normal form. 194/65137 useless extension candidates. Maximal degree in co-relation 214233. Up to 34038 conditions per place. [2024-11-07 19:34:14,492 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 188 selfloop transitions, 18 changer transitions 7/218 dead transitions. [2024-11-07 19:34:14,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 218 transitions, 2589 flow [2024-11-07 19:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:34:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:34:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2024-11-07 19:34:14,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6285714285714286 [2024-11-07 19:34:14,493 INFO L175 Difference]: Start difference. First operand has 98 places, 118 transitions, 1414 flow. Second operand 5 states and 132 transitions. [2024-11-07 19:34:14,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 218 transitions, 2589 flow [2024-11-07 19:34:16,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 218 transitions, 2541 flow, removed 15 selfloop flow, removed 1 redundant places. [2024-11-07 19:34:16,912 INFO L231 Difference]: Finished difference. Result has 103 places, 120 transitions, 1456 flow [2024-11-07 19:34:16,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1387, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1456, PETRI_PLACES=103, PETRI_TRANSITIONS=120} [2024-11-07 19:34:16,913 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 57 predicate places. [2024-11-07 19:34:16,913 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 120 transitions, 1456 flow [2024-11-07 19:34:16,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:16,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:16,913 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] [2024-11-07 19:34:16,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 19:34:16,913 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:16,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:16,913 INFO L85 PathProgramCache]: Analyzing trace with hash 939926774, now seen corresponding path program 6 times [2024-11-07 19:34:16,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:16,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91504892] [2024-11-07 19:34:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:16,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:16,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:16,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91504892] [2024-11-07 19:34:16,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91504892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:16,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:16,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:34:16,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464163994] [2024-11-07 19:34:16,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:16,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:34:16,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:16,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:34:16,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:34:16,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:34:16,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 120 transitions, 1456 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:16,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:16,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:34:16,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:21,489 INFO L124 PetriNetUnfolderBase]: 56414/73960 cut-off events. [2024-11-07 19:34:21,489 INFO L125 PetriNetUnfolderBase]: For 408557/410180 co-relation queries the response was YES. [2024-11-07 19:34:21,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314060 conditions, 73960 events. 56414/73960 cut-off events. For 408557/410180 co-relation queries the response was YES. Maximal size of possible extension queue 2736. Compared 428354 event pairs, 21947 based on Foata normal form. 834/74646 useless extension candidates. Maximal degree in co-relation 253696. Up to 45068 conditions per place. [2024-11-07 19:34:21,968 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 237 selfloop transitions, 24 changer transitions 9/275 dead transitions. [2024-11-07 19:34:21,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 275 transitions, 3688 flow [2024-11-07 19:34:21,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:34:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:34:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 128 transitions. [2024-11-07 19:34:21,969 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6095238095238096 [2024-11-07 19:34:21,970 INFO L175 Difference]: Start difference. First operand has 103 places, 120 transitions, 1456 flow. Second operand 5 states and 128 transitions. [2024-11-07 19:34:21,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 275 transitions, 3688 flow [2024-11-07 19:34:23,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 275 transitions, 3588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:34:23,790 INFO L231 Difference]: Finished difference. Result has 107 places, 128 transitions, 1572 flow [2024-11-07 19:34:23,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1431, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1572, PETRI_PLACES=107, PETRI_TRANSITIONS=128} [2024-11-07 19:34:23,791 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 61 predicate places. [2024-11-07 19:34:23,792 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 128 transitions, 1572 flow [2024-11-07 19:34:23,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:23,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:23,792 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] [2024-11-07 19:34:23,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 19:34:23,793 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:23,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash 2086103950, now seen corresponding path program 7 times [2024-11-07 19:34:23,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:23,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399609193] [2024-11-07 19:34:23,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:23,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:23,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399609193] [2024-11-07 19:34:23,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399609193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:23,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:23,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:34:23,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608636104] [2024-11-07 19:34:23,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:23,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:34:23,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:34:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:34:23,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 42 [2024-11-07 19:34:23,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 128 transitions, 1572 flow. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2024-11-07 19:34:23,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:23,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 42 [2024-11-07 19:34:23,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:29,358 INFO L124 PetriNetUnfolderBase]: 67036/87676 cut-off events. [2024-11-07 19:34:29,359 INFO L125 PetriNetUnfolderBase]: For 516570/516570 co-relation queries the response was YES. [2024-11-07 19:34:29,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388889 conditions, 87676 events. 67036/87676 cut-off events. For 516570/516570 co-relation queries the response was YES. Maximal size of possible extension queue 2594. Compared 496883 event pairs, 24498 based on Foata normal form. 884/88560 useless extension candidates. Maximal degree in co-relation 299717. Up to 50806 conditions per place. [2024-11-07 19:34:29,967 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 168 selfloop transitions, 61 changer transitions 7/237 dead transitions. [2024-11-07 19:34:29,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 237 transitions, 2784 flow [2024-11-07 19:34:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:34:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:34:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 152 transitions. [2024-11-07 19:34:29,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6031746031746031 [2024-11-07 19:34:29,968 INFO L175 Difference]: Start difference. First operand has 107 places, 128 transitions, 1572 flow. Second operand 6 states and 152 transitions. [2024-11-07 19:34:29,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 237 transitions, 2784 flow [2024-11-07 19:34:32,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 237 transitions, 2723 flow, removed 9 selfloop flow, removed 2 redundant places. [2024-11-07 19:34:32,391 INFO L231 Difference]: Finished difference. Result has 112 places, 131 transitions, 1722 flow [2024-11-07 19:34:32,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1505, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1722, PETRI_PLACES=112, PETRI_TRANSITIONS=131} [2024-11-07 19:34:32,392 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 66 predicate places. [2024-11-07 19:34:32,392 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 131 transitions, 1722 flow [2024-11-07 19:34:32,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2024-11-07 19:34:32,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:32,392 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] [2024-11-07 19:34:32,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 19:34:32,392 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:32,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash 776752686, now seen corresponding path program 6 times [2024-11-07 19:34:32,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:32,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493699614] [2024-11-07 19:34:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:32,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:32,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:32,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493699614] [2024-11-07 19:34:32,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493699614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:32,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:32,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:34:32,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265456210] [2024-11-07 19:34:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:32,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:34:32,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:32,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:34:32,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:34:32,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:34:32,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 131 transitions, 1722 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:32,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:32,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:34:32,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:34:37,404 INFO L124 PetriNetUnfolderBase]: 55323/73552 cut-off events. [2024-11-07 19:34:37,404 INFO L125 PetriNetUnfolderBase]: For 454359/457258 co-relation queries the response was YES. [2024-11-07 19:34:37,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329077 conditions, 73552 events. 55323/73552 cut-off events. For 454359/457258 co-relation queries the response was YES. Maximal size of possible extension queue 2622. Compared 437589 event pairs, 21417 based on Foata normal form. 32/73400 useless extension candidates. Maximal degree in co-relation 266359. Up to 39589 conditions per place. [2024-11-07 19:34:37,880 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 192 selfloop transitions, 21 changer transitions 22/239 dead transitions. [2024-11-07 19:34:37,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 239 transitions, 3221 flow [2024-11-07 19:34:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:34:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:34:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2024-11-07 19:34:37,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5857142857142857 [2024-11-07 19:34:37,881 INFO L175 Difference]: Start difference. First operand has 112 places, 131 transitions, 1722 flow. Second operand 5 states and 123 transitions. [2024-11-07 19:34:37,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 239 transitions, 3221 flow [2024-11-07 19:34:40,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 239 transitions, 3063 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-07 19:34:40,378 INFO L231 Difference]: Finished difference. Result has 113 places, 131 transitions, 1661 flow [2024-11-07 19:34:40,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1596, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1661, PETRI_PLACES=113, PETRI_TRANSITIONS=131} [2024-11-07 19:34:40,379 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 67 predicate places. [2024-11-07 19:34:40,379 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 131 transitions, 1661 flow [2024-11-07 19:34:40,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:40,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:34:40,379 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] [2024-11-07 19:34:40,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 19:34:40,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 19:34:40,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:34:40,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1020155472, now seen corresponding path program 7 times [2024-11-07 19:34:40,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:34:40,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386262176] [2024-11-07 19:34:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:34:40,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:34:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:34:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:34:40,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:34:40,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386262176] [2024-11-07 19:34:40,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386262176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:34:40,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:34:40,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:34:40,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724585846] [2024-11-07 19:34:40,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:34:40,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:34:40,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:34:40,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:34:40,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:34:40,427 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 42 [2024-11-07 19:34:40,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 131 transitions, 1661 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-07 19:34:40,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:34:40,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 42 [2024-11-07 19:34:40,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand