./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-6.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/parallel-ticket-6.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', '0f41c28130c65bb66e6565b71877e71077746007ac43c6aef3ce3b863878a53a'] 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/parallel-ticket-6.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 0f41c28130c65bb66e6565b71877e71077746007ac43c6aef3ce3b863878a53a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:32:35,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:32:35,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:32:35,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:32:35,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:32:35,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:32:35,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:32:35,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:32:35,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:32:35,424 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:32:35,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:32:35,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:32:35,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:32:35,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:32:35,424 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:32:35,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:32:35,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:32:35,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:32:35,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:32:35,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:32:35,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:32:35,427 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 -> 0f41c28130c65bb66e6565b71877e71077746007ac43c6aef3ce3b863878a53a [2024-11-07 19:32:35,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:32:35,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:32:35,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:32:35,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:32:35,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:32:35,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2024-11-07 19:32:36,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:32:37,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:32:37,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2024-11-07 19:32:37,143 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0cb3d7243/68cfe70e88d24d6a8541d84bdeb5043f/FLAGb7d98867b [2024-11-07 19:32:37,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0cb3d7243/68cfe70e88d24d6a8541d84bdeb5043f [2024-11-07 19:32:37,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:32:37,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:32:37,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:32:37,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:32:37,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:32:37,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74726da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37, skipping insertion in model container [2024-11-07 19:32:37,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:32:37,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:32:37,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:32:37,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:32:37,826 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:32:37,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37 WrapperNode [2024-11-07 19:32:37,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:32:37,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:32:37,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:32:37,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:32:37,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,867 INFO L138 Inliner]: procedures = 22, calls = 21, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 238 [2024-11-07 19:32:37,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:32:37,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:32:37,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:32:37,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:32:37,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,894 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 19:32:37,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:32:37,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:32:37,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:32:37,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:32:37,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (1/1) ... [2024-11-07 19:32:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:32:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:32:37,946 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 19:32:37,949 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 19:32:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:32:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 19:32:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 19:32:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 19:32:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 19:32:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 19:32:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 19:32:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-07 19:32:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-07 19:32:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:32:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-07 19:32:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-07 19:32:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-07 19:32:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-07 19:32:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:32:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:32:37,972 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 19:32:38,051 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:32:38,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:32:38,291 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:32:38,291 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:32:38,464 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:32:38,464 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:32:38,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:32:38 BoogieIcfgContainer [2024-11-07 19:32:38,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:32:38,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:32:38,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:32:38,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:32:38,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:32:37" (1/3) ... [2024-11-07 19:32:38,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616e865c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:32:38, skipping insertion in model container [2024-11-07 19:32:38,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:32:37" (2/3) ... [2024-11-07 19:32:38,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616e865c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:32:38, skipping insertion in model container [2024-11-07 19:32:38,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:32:38" (3/3) ... [2024-11-07 19:32:38,472 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2024-11-07 19:32:38,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:32:38,482 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 19:32:38,482 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:32:38,532 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-07 19:32:38,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 85 transitions, 212 flow [2024-11-07 19:32:38,612 INFO L124 PetriNetUnfolderBase]: 5/79 cut-off events. [2024-11-07 19:32:38,614 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-07 19:32:38,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 79 events. 5/79 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 162 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2024-11-07 19:32:38,621 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 85 transitions, 212 flow [2024-11-07 19:32:38,623 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 78 transitions, 192 flow [2024-11-07 19:32:38,634 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:32:38,642 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;@2f63a784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:32:38,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 19:32:38,660 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:32:38,660 INFO L124 PetriNetUnfolderBase]: 5/75 cut-off events. [2024-11-07 19:32:38,660 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-07 19:32:38,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:32:38,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:32:38,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-07 19:32:38,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:32:38,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2000729712, now seen corresponding path program 1 times [2024-11-07 19:32:38,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:32:38,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982333803] [2024-11-07 19:32:38,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:32:38,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:32:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:32:39,026 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 19:32:39,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:32:39,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982333803] [2024-11-07 19:32:39,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982333803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:32:39,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:32:39,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:32:39,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727300997] [2024-11-07 19:32:39,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:32:39,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:32:39,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:32:39,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:32:39,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:32:39,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 85 [2024-11-07 19:32:39,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 78 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 19:32:39,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:32:39,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 85 [2024-11-07 19:32:39,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand