./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --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/goblint-regression/13-privatized_24-multiple-protecting_true.i', '-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', '5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf'] 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/goblint-regression/13-privatized_24-multiple-protecting_true.i -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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:24:19,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:24:19,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:24:19,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:24:19,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:24:19,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:24:19,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:24:19,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:24:19,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:24:19,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:24:19,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:24:19,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:24:19,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:24:19,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:24:19,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:24:19,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:24:19,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:24:19,752 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 -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2024-11-07 19:24:19,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:24:19,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:24:19,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:24:19,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:24:19,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:24:19,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-11-07 19:24:21,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:24:21,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:24:21,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-11-07 19:24:21,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd94073d0/90eff6fff8734f2bad537295d0c08e8c/FLAG555d2b5d6 [2024-11-07 19:24:21,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd94073d0/90eff6fff8734f2bad537295d0c08e8c [2024-11-07 19:24:21,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:24:21,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:24:21,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:24:21,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:24:21,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:24:21,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d14de72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21, skipping insertion in model container [2024-11-07 19:24:21,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:24:21,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:24:21,559 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:24:21,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:24:21,625 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:24:21,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21 WrapperNode [2024-11-07 19:24:21,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:24:21,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:24:21,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:24:21,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:24:21,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,662 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 109 [2024-11-07 19:24:21,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:24:21,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:24:21,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:24:21,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:24:21,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,690 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-07 19:24:21,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:24:21,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:24:21,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:24:21,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:24:21,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (1/1) ... [2024-11-07 19:24:21,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:24:21,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:24:21,732 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 19:24:21,735 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 19:24:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 19:24:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:24:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 19:24:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 19:24:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:24:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 19:24:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 19:24:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 19:24:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 19:24:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:24:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:24:21,759 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 19:24:21,860 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:24:21,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:24:22,065 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:24:22,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:24:22,183 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:24:22,183 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:24:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:22 BoogieIcfgContainer [2024-11-07 19:24:22,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:24:22,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:24:22,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:24:22,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:24:22,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:24:21" (1/3) ... [2024-11-07 19:24:22,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366fce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:24:22, skipping insertion in model container [2024-11-07 19:24:22,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:21" (2/3) ... [2024-11-07 19:24:22,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366fce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:24:22, skipping insertion in model container [2024-11-07 19:24:22,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:22" (3/3) ... [2024-11-07 19:24:22,191 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-11-07 19:24:22,201 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:24:22,201 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-07 19:24:22,201 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:24:22,235 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 19:24:22,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 89 transitions, 185 flow [2024-11-07 19:24:22,297 INFO L124 PetriNetUnfolderBase]: 8/88 cut-off events. [2024-11-07 19:24:22,299 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 19:24:22,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 88 events. 8/88 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 118 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2024-11-07 19:24:22,302 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 89 transitions, 185 flow [2024-11-07 19:24:22,305 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 87 transitions, 180 flow [2024-11-07 19:24:22,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:24:22,318 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;@57f6bd72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:24:22,318 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 19:24:22,329 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:24:22,329 INFO L124 PetriNetUnfolderBase]: 2/22 cut-off events. [2024-11-07 19:24:22,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:24:22,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:22,330 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:24:22,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:22,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:22,334 INFO L85 PathProgramCache]: Analyzing trace with hash 618006096, now seen corresponding path program 1 times [2024-11-07 19:24:22,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:22,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969462797] [2024-11-07 19:24:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:22,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:22,593 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 19:24:22,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:22,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969462797] [2024-11-07 19:24:22,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969462797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:22,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:22,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:24:22,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133205078] [2024-11-07 19:24:22,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:22,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:24:22,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:22,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:24:22,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:24:22,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 89 [2024-11-07 19:24:22,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 87 transitions, 180 flow. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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 19:24:22,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:22,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 89 [2024-11-07 19:24:22,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:22,933 INFO L124 PetriNetUnfolderBase]: 526/1354 cut-off events. [2024-11-07 19:24:22,933 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 19:24:22,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2464 conditions, 1354 events. 526/1354 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7754 event pairs, 122 based on Foata normal form. 126/1412 useless extension candidates. Maximal degree in co-relation 2450. Up to 761 conditions per place. [2024-11-07 19:24:22,940 INFO L140 encePairwiseOnDemand]: 65/89 looper letters, 76 selfloop transitions, 19 changer transitions 0/121 dead transitions. [2024-11-07 19:24:22,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 121 transitions, 438 flow [2024-11-07 19:24:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:24:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:24:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 246 transitions. [2024-11-07 19:24:22,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5528089887640449 [2024-11-07 19:24:22,949 INFO L175 Difference]: Start difference. First operand has 83 places, 87 transitions, 180 flow. Second operand 5 states and 246 transitions. [2024-11-07 19:24:22,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 121 transitions, 438 flow [2024-11-07 19:24:22,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 121 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:24:22,957 INFO L231 Difference]: Finished difference. Result has 85 places, 87 transitions, 276 flow [2024-11-07 19:24:22,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=276, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2024-11-07 19:24:22,961 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 2 predicate places. [2024-11-07 19:24:22,961 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 276 flow [2024-11-07 19:24:22,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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 19:24:22,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:22,962 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:24:22,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:24:22,962 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:22,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:22,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1964711094, now seen corresponding path program 1 times [2024-11-07 19:24:22,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:22,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619720992] [2024-11-07 19:24:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:22,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:23,129 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 19:24:23,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:23,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619720992] [2024-11-07 19:24:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619720992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:23,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:23,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:24:23,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450892282] [2024-11-07 19:24:23,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:23,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:24:23,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:23,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:24:23,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:24:23,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 89 [2024-11-07 19:24:23,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 276 flow. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 19:24:23,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:23,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 89 [2024-11-07 19:24:23,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:23,327 INFO L124 PetriNetUnfolderBase]: 310/965 cut-off events. [2024-11-07 19:24:23,327 INFO L125 PetriNetUnfolderBase]: For 262/277 co-relation queries the response was YES. [2024-11-07 19:24:23,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 965 events. 310/965 cut-off events. For 262/277 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5582 event pairs, 48 based on Foata normal form. 22/985 useless extension candidates. Maximal degree in co-relation 1069. Up to 430 conditions per place. [2024-11-07 19:24:23,332 INFO L140 encePairwiseOnDemand]: 82/89 looper letters, 88 selfloop transitions, 7 changer transitions 0/129 dead transitions. [2024-11-07 19:24:23,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 129 transitions, 596 flow [2024-11-07 19:24:23,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:24:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:24:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 211 transitions. [2024-11-07 19:24:23,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5926966292134831 [2024-11-07 19:24:23,337 INFO L175 Difference]: Start difference. First operand has 85 places, 87 transitions, 276 flow. Second operand 4 states and 211 transitions. [2024-11-07 19:24:23,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 129 transitions, 596 flow [2024-11-07 19:24:23,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 129 transitions, 588 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-07 19:24:23,343 INFO L231 Difference]: Finished difference. Result has 89 places, 91 transitions, 308 flow [2024-11-07 19:24:23,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=308, PETRI_PLACES=89, PETRI_TRANSITIONS=91} [2024-11-07 19:24:23,344 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 6 predicate places. [2024-11-07 19:24:23,344 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 91 transitions, 308 flow [2024-11-07 19:24:23,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 19:24:23,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:23,345 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:24:23,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:24:23,345 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:23,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:23,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1256597674, now seen corresponding path program 1 times [2024-11-07 19:24:23,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:23,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247106774] [2024-11-07 19:24:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:23,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:23,489 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 19:24:23,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:23,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247106774] [2024-11-07 19:24:23,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247106774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:23,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:23,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:24:23,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285588130] [2024-11-07 19:24:23,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:23,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:24:23,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:23,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:24:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:24:23,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 89 [2024-11-07 19:24:23,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 91 transitions, 308 flow. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 19:24:23,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:23,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 89 [2024-11-07 19:24:23,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:23,703 INFO L124 PetriNetUnfolderBase]: 348/962 cut-off events. [2024-11-07 19:24:23,704 INFO L125 PetriNetUnfolderBase]: For 341/341 co-relation queries the response was YES. [2024-11-07 19:24:23,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 962 events. 348/962 cut-off events. For 341/341 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5208 event pairs, 189 based on Foata normal form. 36/995 useless extension candidates. Maximal degree in co-relation 1258. Up to 526 conditions per place. [2024-11-07 19:24:23,708 INFO L140 encePairwiseOnDemand]: 74/89 looper letters, 66 selfloop transitions, 24 changer transitions 0/112 dead transitions. [2024-11-07 19:24:23,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 560 flow [2024-11-07 19:24:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:24:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:24:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 239 transitions. [2024-11-07 19:24:23,709 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44756554307116103 [2024-11-07 19:24:23,710 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 308 flow. Second operand 6 states and 239 transitions. [2024-11-07 19:24:23,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 560 flow [2024-11-07 19:24:23,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 112 transitions, 559 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:24:23,716 INFO L231 Difference]: Finished difference. Result has 89 places, 90 transitions, 408 flow [2024-11-07 19:24:23,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=408, PETRI_PLACES=89, PETRI_TRANSITIONS=90} [2024-11-07 19:24:23,717 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 6 predicate places. [2024-11-07 19:24:23,717 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 90 transitions, 408 flow [2024-11-07 19:24:23,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 19:24:23,718 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:23,718 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] [2024-11-07 19:24:23,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:24:23,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:23,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:23,719 INFO L85 PathProgramCache]: Analyzing trace with hash -964637551, now seen corresponding path program 1 times [2024-11-07 19:24:23,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:23,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908809135] [2024-11-07 19:24:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:23,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:23,801 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 19:24:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908809135] [2024-11-07 19:24:23,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908809135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:23,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:23,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:24:23,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738419721] [2024-11-07 19:24:23,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:23,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:24:23,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:23,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:24:23,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:24:23,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 89 [2024-11-07 19:24:23,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 90 transitions, 408 flow. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:24:23,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:23,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 89 [2024-11-07 19:24:23,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:23,984 INFO L124 PetriNetUnfolderBase]: 351/971 cut-off events. [2024-11-07 19:24:23,985 INFO L125 PetriNetUnfolderBase]: For 933/933 co-relation queries the response was YES. [2024-11-07 19:24:23,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2628 conditions, 971 events. 351/971 cut-off events. For 933/933 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5313 event pairs, 109 based on Foata normal form. 11/979 useless extension candidates. Maximal degree in co-relation 1455. Up to 388 conditions per place. [2024-11-07 19:24:23,988 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 84 selfloop transitions, 31 changer transitions 0/137 dead transitions. [2024-11-07 19:24:23,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 137 transitions, 857 flow [2024-11-07 19:24:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:24:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:24:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 228 transitions. [2024-11-07 19:24:23,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5123595505617977 [2024-11-07 19:24:23,989 INFO L175 Difference]: Start difference. First operand has 89 places, 90 transitions, 408 flow. Second operand 5 states and 228 transitions. [2024-11-07 19:24:23,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 137 transitions, 857 flow [2024-11-07 19:24:23,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 137 transitions, 840 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-07 19:24:23,997 INFO L231 Difference]: Finished difference. Result has 95 places, 102 transitions, 614 flow [2024-11-07 19:24:23,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=614, PETRI_PLACES=95, PETRI_TRANSITIONS=102} [2024-11-07 19:24:23,998 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 12 predicate places. [2024-11-07 19:24:23,998 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 102 transitions, 614 flow [2024-11-07 19:24:23,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:24:23,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:23,998 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:24:23,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:24:23,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:23,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:23,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1719452295, now seen corresponding path program 1 times [2024-11-07 19:24:23,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:23,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393095481] [2024-11-07 19:24:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:23,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:24,112 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 19:24:24,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:24,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393095481] [2024-11-07 19:24:24,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393095481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:24,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:24,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:24:24,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318277355] [2024-11-07 19:24:24,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:24,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:24:24,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:24,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:24:24,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:24:24,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 89 [2024-11-07 19:24:24,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 102 transitions, 614 flow. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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 19:24:24,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:24,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 89 [2024-11-07 19:24:24,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:24,258 INFO L124 PetriNetUnfolderBase]: 185/663 cut-off events. [2024-11-07 19:24:24,258 INFO L125 PetriNetUnfolderBase]: For 891/893 co-relation queries the response was YES. [2024-11-07 19:24:24,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2039 conditions, 663 events. 185/663 cut-off events. For 891/893 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3426 event pairs, 40 based on Foata normal form. 52/708 useless extension candidates. Maximal degree in co-relation 1392. Up to 269 conditions per place. [2024-11-07 19:24:24,261 INFO L140 encePairwiseOnDemand]: 70/89 looper letters, 71 selfloop transitions, 20 changer transitions 0/126 dead transitions. [2024-11-07 19:24:24,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 126 transitions, 903 flow [2024-11-07 19:24:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:24:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:24:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 202 transitions. [2024-11-07 19:24:24,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5674157303370787 [2024-11-07 19:24:24,262 INFO L175 Difference]: Start difference. First operand has 95 places, 102 transitions, 614 flow. Second operand 4 states and 202 transitions. [2024-11-07 19:24:24,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 126 transitions, 903 flow [2024-11-07 19:24:24,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 126 transitions, 862 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-07 19:24:24,266 INFO L231 Difference]: Finished difference. Result has 97 places, 106 transitions, 637 flow [2024-11-07 19:24:24,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=637, PETRI_PLACES=97, PETRI_TRANSITIONS=106} [2024-11-07 19:24:24,267 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 14 predicate places. [2024-11-07 19:24:24,267 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 106 transitions, 637 flow [2024-11-07 19:24:24,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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 19:24:24,267 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:24,267 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] [2024-11-07 19:24:24,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:24:24,267 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:24,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:24,268 INFO L85 PathProgramCache]: Analyzing trace with hash -945283396, now seen corresponding path program 1 times [2024-11-07 19:24:24,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:24,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190243269] [2024-11-07 19:24:24,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:24,470 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 19:24:24,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:24,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190243269] [2024-11-07 19:24:24,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190243269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:24,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:24,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:24:24,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976297184] [2024-11-07 19:24:24,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:24,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:24:24,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:24,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:24:24,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:24:24,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 89 [2024-11-07 19:24:24,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 106 transitions, 637 flow. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 19:24:24,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:24,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 89 [2024-11-07 19:24:24,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:24,576 INFO L124 PetriNetUnfolderBase]: 167/619 cut-off events. [2024-11-07 19:24:24,576 INFO L125 PetriNetUnfolderBase]: For 872/876 co-relation queries the response was YES. [2024-11-07 19:24:24,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 619 events. 167/619 cut-off events. For 872/876 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3037 event pairs, 62 based on Foata normal form. 7/623 useless extension candidates. Maximal degree in co-relation 1361. Up to 411 conditions per place. [2024-11-07 19:24:24,578 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 73 selfloop transitions, 5 changer transitions 0/110 dead transitions. [2024-11-07 19:24:24,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 110 transitions, 798 flow [2024-11-07 19:24:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:24:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:24:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 177 transitions. [2024-11-07 19:24:24,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49719101123595505 [2024-11-07 19:24:24,579 INFO L175 Difference]: Start difference. First operand has 97 places, 106 transitions, 637 flow. Second operand 4 states and 177 transitions. [2024-11-07 19:24:24,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 110 transitions, 798 flow [2024-11-07 19:24:24,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 110 transitions, 701 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-07 19:24:24,583 INFO L231 Difference]: Finished difference. Result has 90 places, 98 transitions, 507 flow [2024-11-07 19:24:24,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=507, PETRI_PLACES=90, PETRI_TRANSITIONS=98} [2024-11-07 19:24:24,583 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 7 predicate places. [2024-11-07 19:24:24,583 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 98 transitions, 507 flow [2024-11-07 19:24:24,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 19:24:24,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:24,584 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] [2024-11-07 19:24:24,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:24:24,584 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:24,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:24,584 INFO L85 PathProgramCache]: Analyzing trace with hash 518019640, now seen corresponding path program 1 times [2024-11-07 19:24:24,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:24,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803261293] [2024-11-07 19:24:24,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:24,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:24,754 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 19:24:24,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803261293] [2024-11-07 19:24:24,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803261293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:24,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:24,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:24:24,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287510534] [2024-11-07 19:24:24,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:24,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:24:24,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:24,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:24:24,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:24:24,756 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 89 [2024-11-07 19:24:24,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 98 transitions, 507 flow. Second operand has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 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 19:24:24,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:24,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 89 [2024-11-07 19:24:24,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:24,869 INFO L124 PetriNetUnfolderBase]: 97/424 cut-off events. [2024-11-07 19:24:24,869 INFO L125 PetriNetUnfolderBase]: For 414/414 co-relation queries the response was YES. [2024-11-07 19:24:24,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256 conditions, 424 events. 97/424 cut-off events. For 414/414 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1696 event pairs, 25 based on Foata normal form. 16/438 useless extension candidates. Maximal degree in co-relation 650. Up to 178 conditions per place. [2024-11-07 19:24:24,871 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 65 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2024-11-07 19:24:24,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 106 transitions, 705 flow [2024-11-07 19:24:24,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:24:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:24:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 180 transitions. [2024-11-07 19:24:24,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5056179775280899 [2024-11-07 19:24:24,872 INFO L175 Difference]: Start difference. First operand has 90 places, 98 transitions, 507 flow. Second operand 4 states and 180 transitions. [2024-11-07 19:24:24,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 106 transitions, 705 flow [2024-11-07 19:24:24,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 106 transitions, 688 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-07 19:24:24,875 INFO L231 Difference]: Finished difference. Result has 90 places, 92 transitions, 482 flow [2024-11-07 19:24:24,875 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=482, PETRI_PLACES=90, PETRI_TRANSITIONS=92} [2024-11-07 19:24:24,877 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 7 predicate places. [2024-11-07 19:24:24,877 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 92 transitions, 482 flow [2024-11-07 19:24:24,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 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 19:24:24,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:24,878 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] [2024-11-07 19:24:24,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:24:24,878 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:24,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1591076919, now seen corresponding path program 1 times [2024-11-07 19:24:24,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:24,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549643719] [2024-11-07 19:24:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:25,002 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 19:24:25,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549643719] [2024-11-07 19:24:25,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549643719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:25,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:25,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:24:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625794694] [2024-11-07 19:24:25,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:25,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:24:25,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:25,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:24:25,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:24:25,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 89 [2024-11-07 19:24:25,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 92 transitions, 482 flow. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 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 19:24:25,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:25,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 89 [2024-11-07 19:24:25,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:25,126 INFO L124 PetriNetUnfolderBase]: 108/424 cut-off events. [2024-11-07 19:24:25,126 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2024-11-07 19:24:25,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1329 conditions, 424 events. 108/424 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1628 event pairs, 61 based on Foata normal form. 4/425 useless extension candidates. Maximal degree in co-relation 599. Up to 267 conditions per place. [2024-11-07 19:24:25,130 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 58 selfloop transitions, 30 changer transitions 0/106 dead transitions. [2024-11-07 19:24:25,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 106 transitions, 746 flow [2024-11-07 19:24:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:24:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:24:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 224 transitions. [2024-11-07 19:24:25,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41947565543071164 [2024-11-07 19:24:25,132 INFO L175 Difference]: Start difference. First operand has 90 places, 92 transitions, 482 flow. Second operand 6 states and 224 transitions. [2024-11-07 19:24:25,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 106 transitions, 746 flow [2024-11-07 19:24:25,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 106 transitions, 719 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 19:24:25,135 INFO L231 Difference]: Finished difference. Result has 89 places, 93 transitions, 542 flow [2024-11-07 19:24:25,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=89, PETRI_TRANSITIONS=93} [2024-11-07 19:24:25,138 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 6 predicate places. [2024-11-07 19:24:25,138 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 93 transitions, 542 flow [2024-11-07 19:24:25,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 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 19:24:25,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:24:25,138 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] [2024-11-07 19:24:25,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 19:24:25,138 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-07 19:24:25,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:24:25,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1707736401, now seen corresponding path program 1 times [2024-11-07 19:24:25,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:24:25,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953881722] [2024-11-07 19:24:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:24:25,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:24:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:24:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:24:25,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:24:25,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953881722] [2024-11-07 19:24:25,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953881722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:24:25,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:24:25,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:24:25,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623040510] [2024-11-07 19:24:25,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:24:25,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:24:25,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:24:25,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:24:25,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:24:25,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 89 [2024-11-07 19:24:25,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 93 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:24:25,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:24:25,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 89 [2024-11-07 19:24:25,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:24:25,256 INFO L124 PetriNetUnfolderBase]: 95/398 cut-off events. [2024-11-07 19:24:25,256 INFO L125 PetriNetUnfolderBase]: For 423/423 co-relation queries the response was YES. [2024-11-07 19:24:25,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1257 conditions, 398 events. 95/398 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1541 event pairs, 69 based on Foata normal form. 1/392 useless extension candidates. Maximal degree in co-relation 345. Up to 313 conditions per place. [2024-11-07 19:24:25,257 INFO L140 encePairwiseOnDemand]: 87/89 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2024-11-07 19:24:25,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 92 transitions, 662 flow [2024-11-07 19:24:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:24:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:24:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2024-11-07 19:24:25,259 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4943820224719101 [2024-11-07 19:24:25,259 INFO L175 Difference]: Start difference. First operand has 89 places, 93 transitions, 542 flow. Second operand 3 states and 132 transitions. [2024-11-07 19:24:25,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 92 transitions, 662 flow [2024-11-07 19:24:25,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 92 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:24:25,261 INFO L231 Difference]: Finished difference. Result has 89 places, 0 transitions, 0 flow [2024-11-07 19:24:25,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=89, PETRI_TRANSITIONS=0} [2024-11-07 19:24:25,262 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 6 predicate places. [2024-11-07 19:24:25,262 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 0 transitions, 0 flow [2024-11-07 19:24:25,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:24:25,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-07 19:24:25,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-07 19:24:25,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-07 19:24:25,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (2 of 6 remaining) [2024-11-07 19:24:25,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (1 of 6 remaining) [2024-11-07 19:24:25,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-11-07 19:24:25,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 19:24:25,269 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:24:25,271 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:24:25,271 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:24:25,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:24:25 BasicIcfg [2024-11-07 19:24:25,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:24:25,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:24:25,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:24:25,277 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:24:25,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:22" (3/4) ... [2024-11-07 19:24:25,279 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:24:25,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-07 19:24:25,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-07 19:24:25,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-07 19:24:25,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 19:24:25,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 19:24:25,330 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:24:25,330 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:24:25,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:24:25,331 INFO L158 Benchmark]: Toolchain (without parser) took 3999.25ms. Allocated memory was 100.7MB in the beginning and 167.8MB in the end (delta: 67.1MB). Free memory was 76.5MB in the beginning and 51.6MB in the end (delta: 24.9MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2024-11-07 19:24:25,331 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:24:25,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.28ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 56.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:24:25,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.81ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 54.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:24:25,331 INFO L158 Benchmark]: Boogie Preprocessor took 40.13ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 52.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:24:25,332 INFO L158 Benchmark]: RCFGBuilder took 478.28ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-07 19:24:25,332 INFO L158 Benchmark]: TraceAbstraction took 3090.66ms. Allocated memory was 100.7MB in the beginning and 167.8MB in the end (delta: 67.1MB). Free memory was 50.9MB in the beginning and 56.3MB in the end (delta: -5.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-07 19:24:25,332 INFO L158 Benchmark]: Witness Printer took 53.83ms. Allocated memory is still 167.8MB. Free memory was 56.3MB in the beginning and 51.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:24:25,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.28ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 56.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.81ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 54.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.13ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 52.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.28ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3090.66ms. Allocated memory was 100.7MB in the beginning and 167.8MB in the end (delta: 67.1MB). Free memory was 50.9MB in the beginning and 56.3MB in the end (delta: -5.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Witness Printer took 53.83ms. Allocated memory is still 167.8MB. Free memory was 56.3MB in the beginning and 51.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 704]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 109 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 370 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1083 IncrementalHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 15 mSDtfsCounter, 1083 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=637occurred in iteration=5, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 1416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 19:24:25,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE