./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-races/race-1_1-join.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/ldv-races/race-1_1-join.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', 'ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72'] 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/ldv-races/race-1_1-join.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 ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:20:44,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:20:44,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:20:44,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:20:44,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:20:44,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:20:44,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:20:44,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:20:44,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:20:44,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:20:44,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:20:44,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:20:44,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:20:44,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:20:44,377 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:20:44,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:20:44,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:20:44,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:20:44,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:20:44,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:20:44,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:20:44,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:20:44,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:20:44,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:20:44,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:20:44,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:20:44,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:20:44,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:20:44,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:20:44,381 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 -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2024-11-07 19:20:44,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:20:44,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:20:44,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:20:44,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:20:44,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:20:44,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-11-07 19:20:45,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:20:46,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:20:46,225 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-11-07 19:20:46,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7017084df/b101da2d847c4a0abecc80b16dd099df/FLAG74082f3b2 [2024-11-07 19:20:46,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7017084df/b101da2d847c4a0abecc80b16dd099df [2024-11-07 19:20:46,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:20:46,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:20:46,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:20:46,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:20:46,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:20:46,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:20:46" (1/1) ... [2024-11-07 19:20:46,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b2fc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:46, skipping insertion in model container [2024-11-07 19:20:46,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:20:46" (1/1) ... [2024-11-07 19:20:46,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:20:47,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:20:47,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:20:47,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:20:47,324 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:20:47,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47 WrapperNode [2024-11-07 19:20:47,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:20:47,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:20:47,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:20:47,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:20:47,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,383 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 98 [2024-11-07 19:20:47,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:20:47,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:20:47,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:20:47,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:20:47,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,395 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,419 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 1, 5]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5]. The 1 writes are split as follows [0, 1, 0]. [2024-11-07 19:20:47,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:20:47,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:20:47,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:20:47,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:20:47,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (1/1) ... [2024-11-07 19:20:47,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:20:47,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:20:47,503 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 19:20:47,510 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 19:20:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 19:20:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 19:20:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:20:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:20:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 19:20:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 19:20:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:20:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 19:20:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 19:20:47,531 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 19:20:47,817 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:20:47,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:20:48,052 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:20:48,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:20:48,161 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:20:48,162 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:20:48,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:20:48 BoogieIcfgContainer [2024-11-07 19:20:48,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:20:48,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:20:48,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:20:48,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:20:48,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:20:46" (1/3) ... [2024-11-07 19:20:48,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f969651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:20:48, skipping insertion in model container [2024-11-07 19:20:48,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:20:47" (2/3) ... [2024-11-07 19:20:48,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f969651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:20:48, skipping insertion in model container [2024-11-07 19:20:48,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:20:48" (3/3) ... [2024-11-07 19:20:48,174 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-11-07 19:20:48,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:20:48,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-07 19:20:48,191 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:20:48,241 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 19:20:48,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 53 transitions, 113 flow [2024-11-07 19:20:48,313 INFO L124 PetriNetUnfolderBase]: 9/58 cut-off events. [2024-11-07 19:20:48,315 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 19:20:48,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 58 events. 9/58 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 127 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 25. Up to 3 conditions per place. [2024-11-07 19:20:48,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 53 transitions, 113 flow [2024-11-07 19:20:48,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 52 transitions, 110 flow [2024-11-07 19:20:48,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:20:48,346 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;@295df0f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:20:48,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-07 19:20:48,352 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:20:48,353 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-11-07 19:20:48,353 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:20:48,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:48,354 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-07 19:20:48,354 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:48,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash 10388101, now seen corresponding path program 1 times [2024-11-07 19:20:48,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:48,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193036304] [2024-11-07 19:20:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:48,765 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 19:20:48,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:48,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193036304] [2024-11-07 19:20:48,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193036304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:48,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:48,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:20:48,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541185632] [2024-11-07 19:20:48,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:48,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:20:48,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:48,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:20:48,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:20:48,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 53 [2024-11-07 19:20:48,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 52 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 19:20:48,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:48,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 53 [2024-11-07 19:20:48,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:48,918 INFO L124 PetriNetUnfolderBase]: 31/114 cut-off events. [2024-11-07 19:20:48,918 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 19:20:48,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 114 events. 31/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 437 event pairs, 30 based on Foata normal form. 12/114 useless extension candidates. Maximal degree in co-relation 165. Up to 82 conditions per place. [2024-11-07 19:20:48,920 INFO L140 encePairwiseOnDemand]: 42/53 looper letters, 17 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2024-11-07 19:20:48,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 31 transitions, 114 flow [2024-11-07 19:20:48,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:20:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:20:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2024-11-07 19:20:48,935 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4591194968553459 [2024-11-07 19:20:48,936 INFO L175 Difference]: Start difference. First operand has 46 places, 52 transitions, 110 flow. Second operand 3 states and 73 transitions. [2024-11-07 19:20:48,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 31 transitions, 114 flow [2024-11-07 19:20:48,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:20:48,944 INFO L231 Difference]: Finished difference. Result has 33 places, 31 transitions, 76 flow [2024-11-07 19:20:48,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=33, PETRI_TRANSITIONS=31} [2024-11-07 19:20:48,952 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -13 predicate places. [2024-11-07 19:20:48,952 INFO L471 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 76 flow [2024-11-07 19:20:48,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 19:20:48,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:48,953 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:48,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:20:48,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:48,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1440680283, now seen corresponding path program 1 times [2024-11-07 19:20:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:48,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79462667] [2024-11-07 19:20:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:49,129 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 19:20:49,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:49,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79462667] [2024-11-07 19:20:49,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79462667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:49,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:49,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:20:49,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508309593] [2024-11-07 19:20:49,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:49,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:20:49,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:49,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:20:49,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:20:49,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 53 [2024-11-07 19:20:49,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:49,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:49,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 53 [2024-11-07 19:20:49,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:49,259 INFO L124 PetriNetUnfolderBase]: 18/72 cut-off events. [2024-11-07 19:20:49,259 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 19:20:49,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 72 events. 18/72 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 205 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 103. Up to 30 conditions per place. [2024-11-07 19:20:49,260 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 29 selfloop transitions, 3 changer transitions 3/46 dead transitions. [2024-11-07 19:20:49,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 176 flow [2024-11-07 19:20:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:20:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:20:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-07 19:20:49,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5094339622641509 [2024-11-07 19:20:49,264 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 76 flow. Second operand 4 states and 108 transitions. [2024-11-07 19:20:49,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 176 flow [2024-11-07 19:20:49,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:20:49,266 INFO L231 Difference]: Finished difference. Result has 36 places, 31 transitions, 79 flow [2024-11-07 19:20:49,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=79, PETRI_PLACES=36, PETRI_TRANSITIONS=31} [2024-11-07 19:20:49,268 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -10 predicate places. [2024-11-07 19:20:49,268 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 79 flow [2024-11-07 19:20:49,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:49,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:49,269 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:49,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:20:49,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:49,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:49,270 INFO L85 PathProgramCache]: Analyzing trace with hash 910579229, now seen corresponding path program 1 times [2024-11-07 19:20:49,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:49,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361035351] [2024-11-07 19:20:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:49,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:49,385 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 19:20:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361035351] [2024-11-07 19:20:49,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361035351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:49,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:49,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:20:49,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195836628] [2024-11-07 19:20:49,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:49,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:20:49,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:49,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:20:49,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:20:49,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 53 [2024-11-07 19:20:49,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 19:20:49,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:49,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 53 [2024-11-07 19:20:49,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:49,455 INFO L124 PetriNetUnfolderBase]: 18/74 cut-off events. [2024-11-07 19:20:49,455 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-11-07 19:20:49,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 74 events. 18/74 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 197 event pairs, 12 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 70. Up to 40 conditions per place. [2024-11-07 19:20:49,458 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 21 selfloop transitions, 2 changer transitions 5/37 dead transitions. [2024-11-07 19:20:49,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 145 flow [2024-11-07 19:20:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:20:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:20:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-11-07 19:20:49,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49056603773584906 [2024-11-07 19:20:49,460 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 79 flow. Second operand 3 states and 78 transitions. [2024-11-07 19:20:49,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 145 flow [2024-11-07 19:20:49,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:20:49,461 INFO L231 Difference]: Finished difference. Result has 37 places, 26 transitions, 72 flow [2024-11-07 19:20:49,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=37, PETRI_TRANSITIONS=26} [2024-11-07 19:20:49,462 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -9 predicate places. [2024-11-07 19:20:49,462 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 72 flow [2024-11-07 19:20:49,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 19:20:49,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:49,463 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:49,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:20:49,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:49,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1183051731, now seen corresponding path program 1 times [2024-11-07 19:20:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:49,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44840425] [2024-11-07 19:20:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:49,563 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 19:20:49,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:49,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44840425] [2024-11-07 19:20:49,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44840425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:49,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:49,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:20:49,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527942086] [2024-11-07 19:20:49,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:49,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:20:49,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:49,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:20:49,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:20:49,566 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 53 [2024-11-07 19:20:49,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 19:20:49,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:49,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 53 [2024-11-07 19:20:49,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:49,629 INFO L124 PetriNetUnfolderBase]: 18/59 cut-off events. [2024-11-07 19:20:49,629 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-07 19:20:49,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 59 events. 18/59 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 12 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 94. Up to 39 conditions per place. [2024-11-07 19:20:49,630 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 17 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2024-11-07 19:20:49,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 26 transitions, 123 flow [2024-11-07 19:20:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:20:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:20:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-07 19:20:49,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44654088050314467 [2024-11-07 19:20:49,631 INFO L175 Difference]: Start difference. First operand has 37 places, 26 transitions, 72 flow. Second operand 3 states and 71 transitions. [2024-11-07 19:20:49,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 26 transitions, 123 flow [2024-11-07 19:20:49,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 26 transitions, 92 flow, removed 1 selfloop flow, removed 7 redundant places. [2024-11-07 19:20:49,633 INFO L231 Difference]: Finished difference. Result has 27 places, 23 transitions, 52 flow [2024-11-07 19:20:49,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=27, PETRI_TRANSITIONS=23} [2024-11-07 19:20:49,634 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -19 predicate places. [2024-11-07 19:20:49,634 INFO L471 AbstractCegarLoop]: Abstraction has has 27 places, 23 transitions, 52 flow [2024-11-07 19:20:49,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 19:20:49,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:49,634 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:49,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:20:49,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:49,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:49,634 INFO L85 PathProgramCache]: Analyzing trace with hash -422802093, now seen corresponding path program 1 times [2024-11-07 19:20:49,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:49,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648112336] [2024-11-07 19:20:49,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:49,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:49,737 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 19:20:49,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:49,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648112336] [2024-11-07 19:20:49,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648112336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:49,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:49,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:20:49,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993218515] [2024-11-07 19:20:49,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:49,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:20:49,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:49,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:20:49,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:20:49,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 53 [2024-11-07 19:20:49,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:49,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:49,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 53 [2024-11-07 19:20:49,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:49,800 INFO L124 PetriNetUnfolderBase]: 15/54 cut-off events. [2024-11-07 19:20:49,800 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-07 19:20:49,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 54 events. 15/54 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 10 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 31. Up to 33 conditions per place. [2024-11-07 19:20:49,800 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 18 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2024-11-07 19:20:49,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 27 transitions, 104 flow [2024-11-07 19:20:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:20:49,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:20:49,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-11-07 19:20:49,803 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4528301886792453 [2024-11-07 19:20:49,803 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 52 flow. Second operand 3 states and 72 transitions. [2024-11-07 19:20:49,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 27 transitions, 104 flow [2024-11-07 19:20:49,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 27 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:20:49,804 INFO L231 Difference]: Finished difference. Result has 26 places, 22 transitions, 50 flow [2024-11-07 19:20:49,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2024-11-07 19:20:49,804 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -20 predicate places. [2024-11-07 19:20:49,805 INFO L471 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 50 flow [2024-11-07 19:20:49,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:49,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:49,805 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:49,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:20:49,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:49,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:49,808 INFO L85 PathProgramCache]: Analyzing trace with hash -100958864, now seen corresponding path program 1 times [2024-11-07 19:20:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:49,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929095228] [2024-11-07 19:20:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:49,943 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 19:20:49,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:49,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929095228] [2024-11-07 19:20:49,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929095228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:49,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:49,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:20:49,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675169883] [2024-11-07 19:20:49,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:49,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:20:49,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:49,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:20:49,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:20:49,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 53 [2024-11-07 19:20:49,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:49,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:49,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 53 [2024-11-07 19:20:49,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:49,997 INFO L124 PetriNetUnfolderBase]: 15/53 cut-off events. [2024-11-07 19:20:49,997 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 19:20:49,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 53 events. 15/53 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 10 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 68. Up to 33 conditions per place. [2024-11-07 19:20:49,998 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 18 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2024-11-07 19:20:49,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 26 transitions, 98 flow [2024-11-07 19:20:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:20:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:20:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-11-07 19:20:50,000 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4528301886792453 [2024-11-07 19:20:50,000 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 50 flow. Second operand 3 states and 72 transitions. [2024-11-07 19:20:50,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 26 transitions, 98 flow [2024-11-07 19:20:50,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 26 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:20:50,001 INFO L231 Difference]: Finished difference. Result has 25 places, 21 transitions, 48 flow [2024-11-07 19:20:50,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=21} [2024-11-07 19:20:50,002 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -21 predicate places. [2024-11-07 19:20:50,002 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 21 transitions, 48 flow [2024-11-07 19:20:50,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:50,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:20:50,002 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:50,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:20:50,004 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2024-11-07 19:20:50,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:20:50,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1823961660, now seen corresponding path program 1 times [2024-11-07 19:20:50,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:20:50,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967816812] [2024-11-07 19:20:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:20:50,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:20:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:20:50,265 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 19:20:50,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:20:50,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967816812] [2024-11-07 19:20:50,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967816812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:20:50,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:20:50,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:20:50,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658097910] [2024-11-07 19:20:50,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:20:50,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:20:50,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:20:50,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:20:50,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:20:50,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 53 [2024-11-07 19:20:50,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 21 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:50,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:20:50,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 53 [2024-11-07 19:20:50,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:20:50,325 INFO L124 PetriNetUnfolderBase]: 15/52 cut-off events. [2024-11-07 19:20:50,326 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 19:20:50,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 52 events. 15/52 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 10 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 68. Up to 32 conditions per place. [2024-11-07 19:20:50,326 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2024-11-07 19:20:50,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 25 transitions, 96 flow [2024-11-07 19:20:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:20:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:20:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2024-11-07 19:20:50,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.419811320754717 [2024-11-07 19:20:50,328 INFO L175 Difference]: Start difference. First operand has 25 places, 21 transitions, 48 flow. Second operand 4 states and 89 transitions. [2024-11-07 19:20:50,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 25 transitions, 96 flow [2024-11-07 19:20:50,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 25 transitions, 92 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:20:50,328 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-11-07 19:20:50,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2024-11-07 19:20:50,329 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -21 predicate places. [2024-11-07 19:20:50,329 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-11-07 19:20:50,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:20:50,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONMEMORY_LEAK (8 of 9 remaining) [2024-11-07 19:20:50,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 9 remaining) [2024-11-07 19:20:50,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (6 of 9 remaining) [2024-11-07 19:20:50,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (5 of 9 remaining) [2024-11-07 19:20:50,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 9 remaining) [2024-11-07 19:20:50,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 9 remaining) [2024-11-07 19:20:50,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (2 of 9 remaining) [2024-11-07 19:20:50,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 9 remaining) [2024-11-07 19:20:50,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 9 remaining) [2024-11-07 19:20:50,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:20:50,334 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:20:50,338 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:20:50,338 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:20:50,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:20:50 BasicIcfg [2024-11-07 19:20:50,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:20:50,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:20:50,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:20:50,343 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:20:50,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:20:48" (3/4) ... [2024-11-07 19:20:50,345 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:20:50,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 19:20:50,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2024-11-07 19:20:50,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-07 19:20:50,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-07 19:20:50,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 19:20:50,426 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:20:50,427 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:20:50,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:20:50,428 INFO L158 Benchmark]: Toolchain (without parser) took 3954.78ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 74.0MB in the beginning and 34.2MB in the end (delta: 39.8MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-11-07 19:20:50,428 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:20:50,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.78ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 54.1MB in the end (delta: 19.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-07 19:20:50,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.91ms. Allocated memory is still 100.7MB. Free memory was 54.1MB in the beginning and 51.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:20:50,430 INFO L158 Benchmark]: Boogie Preprocessor took 72.08ms. Allocated memory is still 100.7MB. Free memory was 51.3MB in the beginning and 48.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:20:50,430 INFO L158 Benchmark]: RCFGBuilder took 706.34ms. Allocated memory is still 100.7MB. Free memory was 48.5MB in the beginning and 60.5MB in the end (delta: -12.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-07 19:20:50,431 INFO L158 Benchmark]: TraceAbstraction took 2177.56ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 38.7MB in the end (delta: 21.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-07 19:20:50,431 INFO L158 Benchmark]: Witness Printer took 84.29ms. Allocated memory is still 125.8MB. Free memory was 38.7MB in the beginning and 34.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:20:50,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.78ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 54.1MB in the end (delta: 19.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.91ms. Allocated memory is still 100.7MB. Free memory was 54.1MB in the beginning and 51.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.08ms. Allocated memory is still 100.7MB. Free memory was 51.3MB in the beginning and 48.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 706.34ms. Allocated memory is still 100.7MB. Free memory was 48.5MB in the beginning and 60.5MB in the end (delta: -12.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2177.56ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 38.7MB in the end (delta: 21.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 84.29ms. Allocated memory is still 125.8MB. Free memory was 38.7MB in the beginning and 34.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1724]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1691]: 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, 57 locations, 9 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: 2.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 305 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 7 mSDtfsCounter, 305 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 0.9s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 19:20:50,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE