./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-races/race-2_4-container_of.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5'] 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/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:28:39,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:28:39,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:28:39,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:28:39,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:28:39,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:28:39,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:28:39,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:28:39,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:28:39,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:28:39,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:28:39,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:28:39,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:28:39,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:28:39,764 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:28:39,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:28:39,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:28:39,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:28:39,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:28:39,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:28:39,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:28:39,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:28:39,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:28:39,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:28:39,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:28:39,765 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:28:39,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:28:39,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:28:39,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:28:39,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:28:39,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:28:39,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:28:39,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:28:39,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:28:39,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:28:39,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:28:39,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:28:39,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:28:39,769 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 ! overflow) ) 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 -> 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 [2024-11-07 23:28:40,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:28:40,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:28:40,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:28:40,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:28:40,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:28:40,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2024-11-07 23:28:41,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:28:41,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:28:41,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2024-11-07 23:28:41,760 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/923befd21/94fb8e4cc2c14b469aec91db035a3011/FLAG99bfca9a4 [2024-11-07 23:28:41,780 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/923befd21/94fb8e4cc2c14b469aec91db035a3011 [2024-11-07 23:28:41,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:28:41,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:28:41,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:28:41,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:28:41,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:28:41,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:41" (1/1) ... [2024-11-07 23:28:41,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2aa4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:41, skipping insertion in model container [2024-11-07 23:28:41,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:41" (1/1) ... [2024-11-07 23:28:41,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:28:42,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:28:42,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:28:42,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:28:42,327 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:28:42,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42 WrapperNode [2024-11-07 23:28:42,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:28:42,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:28:42,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:28:42,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:28:42,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,378 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-11-07 23:28:42,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:28:42,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:28:42,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:28:42,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:28:42,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,420 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-11-07 23:28:42,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:28:42,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:28:42,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:28:42,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:28:42,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:28:42,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:28:42,495 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 23:28:42,502 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 23:28:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-07 23:28:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-07 23:28:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:28:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:28:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:28:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:28:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 23:28:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:28:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:28:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:28:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:28:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:28:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:28:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 23:28:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:28:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:28:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:28:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:28:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:28:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:28:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:28:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:28:42,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:28:42,526 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 23:28:42,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:28:42,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:28:43,120 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:28:43,121 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:28:43,365 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:28:43,366 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:28:43,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:43 BoogieIcfgContainer [2024-11-07 23:28:43,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:28:43,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:28:43,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:28:43,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:28:43,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:28:41" (1/3) ... [2024-11-07 23:28:43,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd3a717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:28:43, skipping insertion in model container [2024-11-07 23:28:43,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42" (2/3) ... [2024-11-07 23:28:43,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd3a717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:28:43, skipping insertion in model container [2024-11-07 23:28:43,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:43" (3/3) ... [2024-11-07 23:28:43,377 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2024-11-07 23:28:43,389 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:28:43,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 23:28:43,391 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:28:43,450 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 23:28:43,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-11-07 23:28:43,527 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-07 23:28:43,530 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 23:28:43,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 51 events. 2/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 120 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2024-11-07 23:28:43,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-11-07 23:28:43,538 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-11-07 23:28:43,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:28:43,564 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=LoopHeads, 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;@60dd2661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:28:43,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 23:28:43,577 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:28:43,578 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-07 23:28:43,578 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:28:43,578 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:43,579 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:43,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:43,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash -85911709, now seen corresponding path program 1 times [2024-11-07 23:28:43,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:43,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428843911] [2024-11-07 23:28:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:43,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:44,622 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 23:28:44,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:44,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428843911] [2024-11-07 23:28:44,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428843911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:44,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:44,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:28:44,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089250443] [2024-11-07 23:28:44,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:44,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:28:44,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:44,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:28:44,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:28:44,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:44,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 23:28:44,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:44,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:44,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:45,600 INFO L124 PetriNetUnfolderBase]: 2221/3630 cut-off events. [2024-11-07 23:28:45,601 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-07 23:28:45,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7280 conditions, 3630 events. 2221/3630 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 20052 event pairs, 1170 based on Foata normal form. 0/3166 useless extension candidates. Maximal degree in co-relation 7188. Up to 2402 conditions per place. [2024-11-07 23:28:45,624 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 85 selfloop transitions, 24 changer transitions 3/115 dead transitions. [2024-11-07 23:28:45,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 115 transitions, 478 flow [2024-11-07 23:28:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 176 transitions. [2024-11-07 23:28:45,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4 [2024-11-07 23:28:45,636 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 176 transitions. [2024-11-07 23:28:45,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 115 transitions, 478 flow [2024-11-07 23:28:45,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 115 transitions, 467 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:45,647 INFO L231 Difference]: Finished difference. Result has 56 places, 63 transitions, 233 flow [2024-11-07 23:28:45,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=233, PETRI_PLACES=56, PETRI_TRANSITIONS=63} [2024-11-07 23:28:45,652 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-11-07 23:28:45,653 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 63 transitions, 233 flow [2024-11-07 23:28:45,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 23:28:45,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:45,653 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:45,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:28:45,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:45,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:45,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1647241241, now seen corresponding path program 1 times [2024-11-07 23:28:45,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:45,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522017465] [2024-11-07 23:28:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:46,076 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 23:28:46,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:46,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522017465] [2024-11-07 23:28:46,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522017465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:46,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:46,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:28:46,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253070733] [2024-11-07 23:28:46,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:46,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:28:46,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:46,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:28:46,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:28:46,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:46,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 63 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 23:28:46,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:46,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:46,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:46,863 INFO L124 PetriNetUnfolderBase]: 2697/4445 cut-off events. [2024-11-07 23:28:46,863 INFO L125 PetriNetUnfolderBase]: For 1572/1574 co-relation queries the response was YES. [2024-11-07 23:28:46,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10778 conditions, 4445 events. 2697/4445 cut-off events. For 1572/1574 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 26189 event pairs, 1670 based on Foata normal form. 2/4055 useless extension candidates. Maximal degree in co-relation 9198. Up to 3258 conditions per place. [2024-11-07 23:28:46,890 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 90 selfloop transitions, 33 changer transitions 5/131 dead transitions. [2024-11-07 23:28:46,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 131 transitions, 711 flow [2024-11-07 23:28:46,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 173 transitions. [2024-11-07 23:28:46,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3931818181818182 [2024-11-07 23:28:46,893 INFO L175 Difference]: Start difference. First operand has 56 places, 63 transitions, 233 flow. Second operand 10 states and 173 transitions. [2024-11-07 23:28:46,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 131 transitions, 711 flow [2024-11-07 23:28:46,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 131 transitions, 709 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:28:46,903 INFO L231 Difference]: Finished difference. Result has 68 places, 83 transitions, 424 flow [2024-11-07 23:28:46,903 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=424, PETRI_PLACES=68, PETRI_TRANSITIONS=83} [2024-11-07 23:28:46,904 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-11-07 23:28:46,904 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 83 transitions, 424 flow [2024-11-07 23:28:46,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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 23:28:46,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:46,904 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:46,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:28:46,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:46,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:46,905 INFO L85 PathProgramCache]: Analyzing trace with hash 575639303, now seen corresponding path program 1 times [2024-11-07 23:28:46,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:46,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199957334] [2024-11-07 23:28:46,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:46,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:47,426 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 23:28:47,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:47,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199957334] [2024-11-07 23:28:47,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199957334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:47,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:47,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:47,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753506352] [2024-11-07 23:28:47,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:47,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:28:47,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:47,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:28:47,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:28:47,427 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:47,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 83 transitions, 424 flow. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 23:28:47,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:47,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:47,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:48,443 INFO L124 PetriNetUnfolderBase]: 2901/4906 cut-off events. [2024-11-07 23:28:48,443 INFO L125 PetriNetUnfolderBase]: For 3743/3751 co-relation queries the response was YES. [2024-11-07 23:28:48,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13634 conditions, 4906 events. 2901/4906 cut-off events. For 3743/3751 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 30927 event pairs, 754 based on Foata normal form. 72/4702 useless extension candidates. Maximal degree in co-relation 12619. Up to 3792 conditions per place. [2024-11-07 23:28:48,472 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 171 selfloop transitions, 30 changer transitions 3/207 dead transitions. [2024-11-07 23:28:48,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 207 transitions, 1410 flow [2024-11-07 23:28:48,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 185 transitions. [2024-11-07 23:28:48,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42045454545454547 [2024-11-07 23:28:48,476 INFO L175 Difference]: Start difference. First operand has 68 places, 83 transitions, 424 flow. Second operand 10 states and 185 transitions. [2024-11-07 23:28:48,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 207 transitions, 1410 flow [2024-11-07 23:28:48,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 207 transitions, 1410 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 23:28:48,506 INFO L231 Difference]: Finished difference. Result has 84 places, 105 transitions, 653 flow [2024-11-07 23:28:48,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=653, PETRI_PLACES=84, PETRI_TRANSITIONS=105} [2024-11-07 23:28:48,507 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2024-11-07 23:28:48,507 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 105 transitions, 653 flow [2024-11-07 23:28:48,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 23:28:48,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:48,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:48,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:28:48,508 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:48,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:48,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1478388345, now seen corresponding path program 2 times [2024-11-07 23:28:48,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:48,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183300649] [2024-11-07 23:28:48,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:48,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:49,077 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 23:28:49,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:49,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183300649] [2024-11-07 23:28:49,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183300649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:49,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:49,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579876700] [2024-11-07 23:28:49,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:49,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:49,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:49,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:49,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:49,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:49,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 105 transitions, 653 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:28:49,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:49,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:49,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:50,745 INFO L124 PetriNetUnfolderBase]: 3734/6225 cut-off events. [2024-11-07 23:28:50,746 INFO L125 PetriNetUnfolderBase]: For 7933/7941 co-relation queries the response was YES. [2024-11-07 23:28:50,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19648 conditions, 6225 events. 3734/6225 cut-off events. For 7933/7941 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 39320 event pairs, 1744 based on Foata normal form. 118/6017 useless extension candidates. Maximal degree in co-relation 18358. Up to 3418 conditions per place. [2024-11-07 23:28:50,802 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 149 selfloop transitions, 97 changer transitions 5/254 dead transitions. [2024-11-07 23:28:50,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 254 transitions, 2000 flow [2024-11-07 23:28:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:28:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 23:28:50,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 323 transitions. [2024-11-07 23:28:50,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33367768595041325 [2024-11-07 23:28:50,805 INFO L175 Difference]: Start difference. First operand has 84 places, 105 transitions, 653 flow. Second operand 22 states and 323 transitions. [2024-11-07 23:28:50,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 254 transitions, 2000 flow [2024-11-07 23:28:50,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 254 transitions, 1958 flow, removed 20 selfloop flow, removed 1 redundant places. [2024-11-07 23:28:50,837 INFO L231 Difference]: Finished difference. Result has 113 places, 156 transitions, 1320 flow [2024-11-07 23:28:50,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1320, PETRI_PLACES=113, PETRI_TRANSITIONS=156} [2024-11-07 23:28:50,838 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 68 predicate places. [2024-11-07 23:28:50,839 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 156 transitions, 1320 flow [2024-11-07 23:28:50,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:28:50,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:50,840 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:50,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:28:50,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:50,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:50,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1198305234, now seen corresponding path program 1 times [2024-11-07 23:28:50,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:50,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140864910] [2024-11-07 23:28:50,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:50,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:50,949 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 23:28:50,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:50,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140864910] [2024-11-07 23:28:50,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140864910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:50,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:50,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:28:50,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569836339] [2024-11-07 23:28:50,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:50,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:28:50,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:50,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:28:50,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:28:50,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-11-07 23:28:50,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 156 transitions, 1320 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 23:28:50,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:50,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-11-07 23:28:50,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:51,699 INFO L124 PetriNetUnfolderBase]: 2895/4821 cut-off events. [2024-11-07 23:28:51,700 INFO L125 PetriNetUnfolderBase]: For 10611/10614 co-relation queries the response was YES. [2024-11-07 23:28:51,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17612 conditions, 4821 events. 2895/4821 cut-off events. For 10611/10614 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 29777 event pairs, 810 based on Foata normal form. 1/4564 useless extension candidates. Maximal degree in co-relation 16659. Up to 3827 conditions per place. [2024-11-07 23:28:51,731 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 192 selfloop transitions, 21 changer transitions 0/215 dead transitions. [2024-11-07 23:28:51,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 215 transitions, 2197 flow [2024-11-07 23:28:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:28:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:28:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-07 23:28:51,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-11-07 23:28:51,733 INFO L175 Difference]: Start difference. First operand has 113 places, 156 transitions, 1320 flow. Second operand 4 states and 90 transitions. [2024-11-07 23:28:51,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 215 transitions, 2197 flow [2024-11-07 23:28:51,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 215 transitions, 2038 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-07 23:28:51,765 INFO L231 Difference]: Finished difference. Result has 105 places, 136 transitions, 1074 flow [2024-11-07 23:28:51,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1074, PETRI_PLACES=105, PETRI_TRANSITIONS=136} [2024-11-07 23:28:51,768 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 60 predicate places. [2024-11-07 23:28:51,768 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 136 transitions, 1074 flow [2024-11-07 23:28:51,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 23:28:51,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:51,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:51,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:28:51,770 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:51,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:51,770 INFO L85 PathProgramCache]: Analyzing trace with hash 135074367, now seen corresponding path program 1 times [2024-11-07 23:28:51,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:51,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640781404] [2024-11-07 23:28:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:52,305 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 23:28:52,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:52,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640781404] [2024-11-07 23:28:52,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640781404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:52,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:52,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:28:52,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151790932] [2024-11-07 23:28:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:52,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:28:52,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:52,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:28:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:28:52,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:52,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 136 transitions, 1074 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:28:52,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:52,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:52,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:53,361 INFO L124 PetriNetUnfolderBase]: 3209/5366 cut-off events. [2024-11-07 23:28:53,362 INFO L125 PetriNetUnfolderBase]: For 12594/12602 co-relation queries the response was YES. [2024-11-07 23:28:53,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19637 conditions, 5366 events. 3209/5366 cut-off events. For 12594/12602 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 32275 event pairs, 1572 based on Foata normal form. 56/5148 useless extension candidates. Maximal degree in co-relation 18402. Up to 3576 conditions per place. [2024-11-07 23:28:53,407 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 157 selfloop transitions, 73 changer transitions 4/236 dead transitions. [2024-11-07 23:28:53,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 236 transitions, 2184 flow [2024-11-07 23:28:53,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:28:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-07 23:28:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 206 transitions. [2024-11-07 23:28:53,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36013986013986016 [2024-11-07 23:28:53,410 INFO L175 Difference]: Start difference. First operand has 105 places, 136 transitions, 1074 flow. Second operand 13 states and 206 transitions. [2024-11-07 23:28:53,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 236 transitions, 2184 flow [2024-11-07 23:28:53,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 236 transitions, 2144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 23:28:53,457 INFO L231 Difference]: Finished difference. Result has 121 places, 166 transitions, 1527 flow [2024-11-07 23:28:53,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1527, PETRI_PLACES=121, PETRI_TRANSITIONS=166} [2024-11-07 23:28:53,459 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 76 predicate places. [2024-11-07 23:28:53,460 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 166 transitions, 1527 flow [2024-11-07 23:28:53,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:28:53,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:53,460 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:53,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:28:53,461 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:53,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:53,462 INFO L85 PathProgramCache]: Analyzing trace with hash -781707630, now seen corresponding path program 1 times [2024-11-07 23:28:53,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:53,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088456750] [2024-11-07 23:28:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:53,870 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 23:28:53,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:53,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088456750] [2024-11-07 23:28:53,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088456750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:53,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:53,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:53,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962086159] [2024-11-07 23:28:53,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:53,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:28:53,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:53,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:28:53,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:28:53,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:53,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 166 transitions, 1527 flow. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 23:28:53,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:53,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:53,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:55,282 INFO L124 PetriNetUnfolderBase]: 5584/9391 cut-off events. [2024-11-07 23:28:55,282 INFO L125 PetriNetUnfolderBase]: For 27158/27166 co-relation queries the response was YES. [2024-11-07 23:28:55,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38162 conditions, 9391 events. 5584/9391 cut-off events. For 27158/27166 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 64886 event pairs, 1541 based on Foata normal form. 60/8935 useless extension candidates. Maximal degree in co-relation 36263. Up to 4155 conditions per place. [2024-11-07 23:28:55,336 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 347 selfloop transitions, 53 changer transitions 3/405 dead transitions. [2024-11-07 23:28:55,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 405 transitions, 4388 flow [2024-11-07 23:28:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:28:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-07 23:28:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 227 transitions. [2024-11-07 23:28:55,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4690082644628099 [2024-11-07 23:28:55,338 INFO L175 Difference]: Start difference. First operand has 121 places, 166 transitions, 1527 flow. Second operand 11 states and 227 transitions. [2024-11-07 23:28:55,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 405 transitions, 4388 flow [2024-11-07 23:28:55,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 405 transitions, 4255 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-07 23:28:55,472 INFO L231 Difference]: Finished difference. Result has 131 places, 188 transitions, 1819 flow [2024-11-07 23:28:55,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1446, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1819, PETRI_PLACES=131, PETRI_TRANSITIONS=188} [2024-11-07 23:28:55,473 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-11-07 23:28:55,473 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 188 transitions, 1819 flow [2024-11-07 23:28:55,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 23:28:55,474 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:55,474 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:55,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:28:55,474 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:55,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash -59745134, now seen corresponding path program 2 times [2024-11-07 23:28:55,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:55,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115568459] [2024-11-07 23:28:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:55,886 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 23:28:55,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115568459] [2024-11-07 23:28:55,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115568459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:55,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:55,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:55,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671866860] [2024-11-07 23:28:55,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:55,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:55,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:55,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:55,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:55,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:55,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 188 transitions, 1819 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:28:55,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:55,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:55,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:57,501 INFO L124 PetriNetUnfolderBase]: 6270/10630 cut-off events. [2024-11-07 23:28:57,501 INFO L125 PetriNetUnfolderBase]: For 41098/41106 co-relation queries the response was YES. [2024-11-07 23:28:57,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45750 conditions, 10630 events. 6270/10630 cut-off events. For 41098/41106 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 74860 event pairs, 3397 based on Foata normal form. 96/10190 useless extension candidates. Maximal degree in co-relation 42412. Up to 7445 conditions per place. [2024-11-07 23:28:57,579 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 269 selfloop transitions, 128 changer transitions 9/408 dead transitions. [2024-11-07 23:28:57,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 408 transitions, 4689 flow [2024-11-07 23:28:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:28:57,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 23:28:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 296 transitions. [2024-11-07 23:28:57,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33636363636363636 [2024-11-07 23:28:57,585 INFO L175 Difference]: Start difference. First operand has 131 places, 188 transitions, 1819 flow. Second operand 20 states and 296 transitions. [2024-11-07 23:28:57,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 408 transitions, 4689 flow [2024-11-07 23:28:57,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 408 transitions, 4552 flow, removed 41 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:57,812 INFO L231 Difference]: Finished difference. Result has 159 places, 282 transitions, 3359 flow [2024-11-07 23:28:57,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1748, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3359, PETRI_PLACES=159, PETRI_TRANSITIONS=282} [2024-11-07 23:28:57,813 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 114 predicate places. [2024-11-07 23:28:57,813 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 282 transitions, 3359 flow [2024-11-07 23:28:57,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:28:57,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:57,814 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:57,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:28:57,814 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:57,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:57,815 INFO L85 PathProgramCache]: Analyzing trace with hash -59745455, now seen corresponding path program 1 times [2024-11-07 23:28:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:57,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780523846] [2024-11-07 23:28:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:57,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:58,208 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 23:28:58,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:58,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780523846] [2024-11-07 23:28:58,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780523846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:58,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:58,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:58,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534083331] [2024-11-07 23:28:58,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:58,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:58,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:58,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 282 transitions, 3359 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:28:58,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:58,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:58,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:59,805 INFO L124 PetriNetUnfolderBase]: 5808/9922 cut-off events. [2024-11-07 23:28:59,805 INFO L125 PetriNetUnfolderBase]: For 51511/51519 co-relation queries the response was YES. [2024-11-07 23:28:59,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46273 conditions, 9922 events. 5808/9922 cut-off events. For 51511/51519 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 70027 event pairs, 3287 based on Foata normal form. 110/9492 useless extension candidates. Maximal degree in co-relation 45464. Up to 7996 conditions per place. [2024-11-07 23:28:59,879 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 256 selfloop transitions, 94 changer transitions 15/367 dead transitions. [2024-11-07 23:28:59,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 367 transitions, 4875 flow [2024-11-07 23:28:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:28:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 23:28:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 196 transitions. [2024-11-07 23:28:59,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3712121212121212 [2024-11-07 23:28:59,880 INFO L175 Difference]: Start difference. First operand has 159 places, 282 transitions, 3359 flow. Second operand 12 states and 196 transitions. [2024-11-07 23:28:59,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 367 transitions, 4875 flow [2024-11-07 23:29:00,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 367 transitions, 4744 flow, removed 61 selfloop flow, removed 2 redundant places. [2024-11-07 23:29:00,261 INFO L231 Difference]: Finished difference. Result has 173 places, 295 transitions, 3725 flow [2024-11-07 23:29:00,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3264, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3725, PETRI_PLACES=173, PETRI_TRANSITIONS=295} [2024-11-07 23:29:00,262 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 128 predicate places. [2024-11-07 23:29:00,262 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 295 transitions, 3725 flow [2024-11-07 23:29:00,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:00,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:00,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:00,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:29:00,262 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:00,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:00,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1611662663, now seen corresponding path program 2 times [2024-11-07 23:29:00,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:00,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35675796] [2024-11-07 23:29:00,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:00,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:00,587 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 23:29:00,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:00,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35675796] [2024-11-07 23:29:00,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35675796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:00,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:00,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:29:00,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521512149] [2024-11-07 23:29:00,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:00,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:29:00,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:00,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:29:00,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:29:00,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:00,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 295 transitions, 3725 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:00,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:00,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:00,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:02,576 INFO L124 PetriNetUnfolderBase]: 6095/10413 cut-off events. [2024-11-07 23:29:02,577 INFO L125 PetriNetUnfolderBase]: For 57710/57718 co-relation queries the response was YES. [2024-11-07 23:29:02,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50032 conditions, 10413 events. 6095/10413 cut-off events. For 57710/57718 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 73325 event pairs, 3233 based on Foata normal form. 126/10001 useless extension candidates. Maximal degree in co-relation 49134. Up to 6881 conditions per place. [2024-11-07 23:29:02,663 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 274 selfloop transitions, 161 changer transitions 17/454 dead transitions. [2024-11-07 23:29:02,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 454 transitions, 6172 flow [2024-11-07 23:29:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:29:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:29:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 285 transitions. [2024-11-07 23:29:02,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3409090909090909 [2024-11-07 23:29:02,666 INFO L175 Difference]: Start difference. First operand has 173 places, 295 transitions, 3725 flow. Second operand 19 states and 285 transitions. [2024-11-07 23:29:02,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 454 transitions, 6172 flow [2024-11-07 23:29:02,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 454 transitions, 6060 flow, removed 19 selfloop flow, removed 5 redundant places. [2024-11-07 23:29:02,981 INFO L231 Difference]: Finished difference. Result has 194 places, 327 transitions, 4536 flow [2024-11-07 23:29:02,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3619, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4536, PETRI_PLACES=194, PETRI_TRANSITIONS=327} [2024-11-07 23:29:02,982 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-11-07 23:29:02,982 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 327 transitions, 4536 flow [2024-11-07 23:29:02,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:02,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:02,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:02,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 23:29:02,982 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:02,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:02,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1206654840, now seen corresponding path program 3 times [2024-11-07 23:29:02,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:02,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027467314] [2024-11-07 23:29:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:02,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:29:03,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:03,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027467314] [2024-11-07 23:29:03,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027467314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:03,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:03,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:29:03,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620434557] [2024-11-07 23:29:03,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:03,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:29:03,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:03,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:29:03,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:29:03,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:03,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 327 transitions, 4536 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:03,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:03,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:03,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:05,883 INFO L124 PetriNetUnfolderBase]: 6447/11067 cut-off events. [2024-11-07 23:29:05,883 INFO L125 PetriNetUnfolderBase]: For 80547/80555 co-relation queries the response was YES. [2024-11-07 23:29:05,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56743 conditions, 11067 events. 6447/11067 cut-off events. For 80547/80555 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 79055 event pairs, 3675 based on Foata normal form. 104/10629 useless extension candidates. Maximal degree in co-relation 55904. Up to 7323 conditions per place. [2024-11-07 23:29:06,003 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 249 selfloop transitions, 170 changer transitions 10/431 dead transitions. [2024-11-07 23:29:06,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 431 transitions, 6369 flow [2024-11-07 23:29:06,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 23:29:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 23:29:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 297 transitions. [2024-11-07 23:29:06,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32142857142857145 [2024-11-07 23:29:06,005 INFO L175 Difference]: Start difference. First operand has 194 places, 327 transitions, 4536 flow. Second operand 21 states and 297 transitions. [2024-11-07 23:29:06,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 431 transitions, 6369 flow [2024-11-07 23:29:06,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 431 transitions, 6042 flow, removed 72 selfloop flow, removed 12 redundant places. [2024-11-07 23:29:06,565 INFO L231 Difference]: Finished difference. Result has 206 places, 345 transitions, 4944 flow [2024-11-07 23:29:06,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4273, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4944, PETRI_PLACES=206, PETRI_TRANSITIONS=345} [2024-11-07 23:29:06,565 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 161 predicate places. [2024-11-07 23:29:06,565 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 345 transitions, 4944 flow [2024-11-07 23:29:06,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:06,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:06,566 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:06,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 23:29:06,566 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:06,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:06,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1256771727, now seen corresponding path program 2 times [2024-11-07 23:29:06,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:06,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773582678] [2024-11-07 23:29:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:06,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:06,993 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 23:29:06,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:06,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773582678] [2024-11-07 23:29:06,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773582678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:06,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:06,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:06,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760671474] [2024-11-07 23:29:06,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:06,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:06,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:06,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:06,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:06,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:06,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 345 transitions, 4944 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:29:06,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:06,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:06,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:08,713 INFO L124 PetriNetUnfolderBase]: 6250/10715 cut-off events. [2024-11-07 23:29:08,713 INFO L125 PetriNetUnfolderBase]: For 85597/85605 co-relation queries the response was YES. [2024-11-07 23:29:08,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57062 conditions, 10715 events. 6250/10715 cut-off events. For 85597/85605 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 75964 event pairs, 3471 based on Foata normal form. 48/10206 useless extension candidates. Maximal degree in co-relation 56209. Up to 6863 conditions per place. [2024-11-07 23:29:08,805 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 299 selfloop transitions, 157 changer transitions 6/464 dead transitions. [2024-11-07 23:29:08,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 464 transitions, 7097 flow [2024-11-07 23:29:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:29:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:29:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 225 transitions. [2024-11-07 23:29:08,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3409090909090909 [2024-11-07 23:29:08,809 INFO L175 Difference]: Start difference. First operand has 206 places, 345 transitions, 4944 flow. Second operand 15 states and 225 transitions. [2024-11-07 23:29:08,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 464 transitions, 7097 flow [2024-11-07 23:29:09,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 464 transitions, 6870 flow, removed 23 selfloop flow, removed 6 redundant places. [2024-11-07 23:29:09,291 INFO L231 Difference]: Finished difference. Result has 219 places, 373 transitions, 5529 flow [2024-11-07 23:29:09,292 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4747, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5529, PETRI_PLACES=219, PETRI_TRANSITIONS=373} [2024-11-07 23:29:09,292 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 174 predicate places. [2024-11-07 23:29:09,292 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 373 transitions, 5529 flow [2024-11-07 23:29:09,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:29:09,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:09,293 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:09,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:29:09,293 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:09,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:09,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2116807447, now seen corresponding path program 3 times [2024-11-07 23:29:09,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:09,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883128063] [2024-11-07 23:29:09,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:09,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:09,600 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 23:29:09,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:09,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883128063] [2024-11-07 23:29:09,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883128063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:09,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:29:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493514108] [2024-11-07 23:29:09,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:09,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:29:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:09,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:29:09,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:29:09,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:09,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 373 transitions, 5529 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:09,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:09,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:09,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:11,480 INFO L124 PetriNetUnfolderBase]: 6638/11441 cut-off events. [2024-11-07 23:29:11,481 INFO L125 PetriNetUnfolderBase]: For 106261/106269 co-relation queries the response was YES. [2024-11-07 23:29:11,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63439 conditions, 11441 events. 6638/11441 cut-off events. For 106261/106269 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 82535 event pairs, 3751 based on Foata normal form. 136/11016 useless extension candidates. Maximal degree in co-relation 62563. Up to 7895 conditions per place. [2024-11-07 23:29:11,610 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 332 selfloop transitions, 131 changer transitions 20/485 dead transitions. [2024-11-07 23:29:11,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 485 transitions, 7562 flow [2024-11-07 23:29:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:29:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:29:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 227 transitions. [2024-11-07 23:29:11,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34393939393939393 [2024-11-07 23:29:11,611 INFO L175 Difference]: Start difference. First operand has 219 places, 373 transitions, 5529 flow. Second operand 15 states and 227 transitions. [2024-11-07 23:29:11,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 485 transitions, 7562 flow [2024-11-07 23:29:12,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 485 transitions, 7362 flow, removed 53 selfloop flow, removed 5 redundant places. [2024-11-07 23:29:12,123 INFO L231 Difference]: Finished difference. Result has 231 places, 378 transitions, 5721 flow [2024-11-07 23:29:12,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5346, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5721, PETRI_PLACES=231, PETRI_TRANSITIONS=378} [2024-11-07 23:29:12,124 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 186 predicate places. [2024-11-07 23:29:12,124 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 378 transitions, 5721 flow [2024-11-07 23:29:12,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 23:29:12,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:12,124 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:12,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:29:12,124 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:12,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:12,124 INFO L85 PathProgramCache]: Analyzing trace with hash -976224430, now seen corresponding path program 1 times [2024-11-07 23:29:12,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:12,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385392447] [2024-11-07 23:29:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:12,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:12,419 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 23:29:12,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:12,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385392447] [2024-11-07 23:29:12,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385392447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:12,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:12,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:12,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806788078] [2024-11-07 23:29:12,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:12,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:12,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:12,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:12,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:12,421 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:12,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 378 transitions, 5721 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:29:12,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:12,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:12,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:14,254 INFO L124 PetriNetUnfolderBase]: 6788/11663 cut-off events. [2024-11-07 23:29:14,255 INFO L125 PetriNetUnfolderBase]: For 115705/115713 co-relation queries the response was YES. [2024-11-07 23:29:14,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67079 conditions, 11663 events. 6788/11663 cut-off events. For 115705/115713 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 84266 event pairs, 3812 based on Foata normal form. 83/11145 useless extension candidates. Maximal degree in co-relation 66115. Up to 8540 conditions per place. [2024-11-07 23:29:14,385 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 357 selfloop transitions, 148 changer transitions 15/522 dead transitions. [2024-11-07 23:29:14,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 522 transitions, 8331 flow [2024-11-07 23:29:14,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:29:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-07 23:29:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 203 transitions. [2024-11-07 23:29:14,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3548951048951049 [2024-11-07 23:29:14,387 INFO L175 Difference]: Start difference. First operand has 231 places, 378 transitions, 5721 flow. Second operand 13 states and 203 transitions. [2024-11-07 23:29:14,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 522 transitions, 8331 flow [2024-11-07 23:29:14,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 522 transitions, 7995 flow, removed 30 selfloop flow, removed 11 redundant places. [2024-11-07 23:29:14,940 INFO L231 Difference]: Finished difference. Result has 238 places, 426 transitions, 6572 flow [2024-11-07 23:29:14,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5472, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6572, PETRI_PLACES=238, PETRI_TRANSITIONS=426} [2024-11-07 23:29:14,941 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 193 predicate places. [2024-11-07 23:29:14,941 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 426 transitions, 6572 flow [2024-11-07 23:29:14,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:29:14,941 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:14,941 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:14,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 23:29:14,941 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:14,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:14,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1837987195, now seen corresponding path program 1 times [2024-11-07 23:29:14,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:14,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477587972] [2024-11-07 23:29:14,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:15,244 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 23:29:15,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:15,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477587972] [2024-11-07 23:29:15,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477587972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:15,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:15,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:15,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992250728] [2024-11-07 23:29:15,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:15,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:15,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:15,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:15,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:15,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:15,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 426 transitions, 6572 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:29:15,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:15,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:15,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:17,313 INFO L124 PetriNetUnfolderBase]: 7203/12418 cut-off events. [2024-11-07 23:29:17,313 INFO L125 PetriNetUnfolderBase]: For 143659/143667 co-relation queries the response was YES. [2024-11-07 23:29:17,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75500 conditions, 12418 events. 7203/12418 cut-off events. For 143659/143667 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 91071 event pairs, 4062 based on Foata normal form. 83/11867 useless extension candidates. Maximal degree in co-relation 74590. Up to 9220 conditions per place. [2024-11-07 23:29:17,427 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 377 selfloop transitions, 177 changer transitions 15/571 dead transitions. [2024-11-07 23:29:17,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 571 transitions, 9262 flow [2024-11-07 23:29:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:29:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:29:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 226 transitions. [2024-11-07 23:29:17,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3424242424242424 [2024-11-07 23:29:17,428 INFO L175 Difference]: Start difference. First operand has 238 places, 426 transitions, 6572 flow. Second operand 15 states and 226 transitions. [2024-11-07 23:29:17,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 571 transitions, 9262 flow [2024-11-07 23:29:18,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 571 transitions, 9072 flow, removed 33 selfloop flow, removed 5 redundant places. [2024-11-07 23:29:18,089 INFO L231 Difference]: Finished difference. Result has 251 places, 471 transitions, 7487 flow [2024-11-07 23:29:18,089 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6413, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7487, PETRI_PLACES=251, PETRI_TRANSITIONS=471} [2024-11-07 23:29:18,089 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 206 predicate places. [2024-11-07 23:29:18,090 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 471 transitions, 7487 flow [2024-11-07 23:29:18,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:29:18,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:18,090 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 23:29:18,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 23:29:18,090 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:18,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1508831487, now seen corresponding path program 1 times [2024-11-07 23:29:18,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:18,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861662884] [2024-11-07 23:29:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:18,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:18,369 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 23:29:18,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:18,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861662884] [2024-11-07 23:29:18,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861662884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:18,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:18,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:18,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402407553] [2024-11-07 23:29:18,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:18,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:18,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:18,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:18,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:18,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:18,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 471 transitions, 7487 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:18,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:18,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:18,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:22,479 INFO L124 PetriNetUnfolderBase]: 13069/23158 cut-off events. [2024-11-07 23:29:22,479 INFO L125 PetriNetUnfolderBase]: For 304839/304847 co-relation queries the response was YES. [2024-11-07 23:29:22,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138474 conditions, 23158 events. 13069/23158 cut-off events. For 304839/304847 co-relation queries the response was YES. Maximal size of possible extension queue 1319. Compared 199867 event pairs, 3933 based on Foata normal form. 328/22308 useless extension candidates. Maximal degree in co-relation 137343. Up to 7524 conditions per place. [2024-11-07 23:29:22,807 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 589 selfloop transitions, 93 changer transitions 10/694 dead transitions. [2024-11-07 23:29:22,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 694 transitions, 11418 flow [2024-11-07 23:29:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:29:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-07 23:29:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 222 transitions. [2024-11-07 23:29:22,808 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45867768595041325 [2024-11-07 23:29:22,808 INFO L175 Difference]: Start difference. First operand has 251 places, 471 transitions, 7487 flow. Second operand 11 states and 222 transitions. [2024-11-07 23:29:22,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 694 transitions, 11418 flow [2024-11-07 23:29:24,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 694 transitions, 11143 flow, removed 83 selfloop flow, removed 5 redundant places. [2024-11-07 23:29:24,306 INFO L231 Difference]: Finished difference. Result has 261 places, 490 transitions, 7827 flow [2024-11-07 23:29:24,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7305, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7827, PETRI_PLACES=261, PETRI_TRANSITIONS=490} [2024-11-07 23:29:24,306 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 216 predicate places. [2024-11-07 23:29:24,306 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 490 transitions, 7827 flow [2024-11-07 23:29:24,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:24,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:24,307 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 23:29:24,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:29:24,307 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:24,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:24,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1781679493, now seen corresponding path program 1 times [2024-11-07 23:29:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:24,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249341335] [2024-11-07 23:29:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:24,654 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 23:29:24,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249341335] [2024-11-07 23:29:24,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249341335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:24,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:24,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:24,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539806607] [2024-11-07 23:29:24,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:24,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:24,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:24,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:24,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:24,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:24,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 490 transitions, 7827 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:24,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:24,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:24,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:32,530 INFO L124 PetriNetUnfolderBase]: 22765/41023 cut-off events. [2024-11-07 23:29:32,530 INFO L125 PetriNetUnfolderBase]: For 647960/647968 co-relation queries the response was YES. [2024-11-07 23:29:33,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267339 conditions, 41023 events. 22765/41023 cut-off events. For 647960/647968 co-relation queries the response was YES. Maximal size of possible extension queue 2554. Compared 393635 event pairs, 9184 based on Foata normal form. 609/39494 useless extension candidates. Maximal degree in co-relation 265508. Up to 17053 conditions per place. [2024-11-07 23:29:33,411 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 596 selfloop transitions, 140 changer transitions 23/761 dead transitions. [2024-11-07 23:29:33,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 761 transitions, 12791 flow [2024-11-07 23:29:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:29:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-07 23:29:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2024-11-07 23:29:33,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4731404958677686 [2024-11-07 23:29:33,413 INFO L175 Difference]: Start difference. First operand has 261 places, 490 transitions, 7827 flow. Second operand 11 states and 229 transitions. [2024-11-07 23:29:33,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 761 transitions, 12791 flow [2024-11-07 23:29:38,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 761 transitions, 12506 flow, removed 89 selfloop flow, removed 6 redundant places. [2024-11-07 23:29:38,215 INFO L231 Difference]: Finished difference. Result has 270 places, 524 transitions, 8662 flow [2024-11-07 23:29:38,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7698, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8662, PETRI_PLACES=270, PETRI_TRANSITIONS=524} [2024-11-07 23:29:38,216 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 225 predicate places. [2024-11-07 23:29:38,216 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 524 transitions, 8662 flow [2024-11-07 23:29:38,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:38,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:38,216 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 23:29:38,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 23:29:38,216 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:38,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:38,216 INFO L85 PathProgramCache]: Analyzing trace with hash -803183727, now seen corresponding path program 2 times [2024-11-07 23:29:38,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:38,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744858090] [2024-11-07 23:29:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:38,582 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 23:29:38,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:38,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744858090] [2024-11-07 23:29:38,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744858090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:38,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:38,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:38,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608699292] [2024-11-07 23:29:38,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:38,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:38,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:38,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:38,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:38,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:38,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 524 transitions, 8662 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:38,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:38,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:38,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:47,932 INFO L124 PetriNetUnfolderBase]: 25296/45819 cut-off events. [2024-11-07 23:29:47,932 INFO L125 PetriNetUnfolderBase]: For 857786/857794 co-relation queries the response was YES. [2024-11-07 23:29:48,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321784 conditions, 45819 events. 25296/45819 cut-off events. For 857786/857794 co-relation queries the response was YES. Maximal size of possible extension queue 2877. Compared 447864 event pairs, 13001 based on Foata normal form. 318/43803 useless extension candidates. Maximal degree in co-relation 319600. Up to 28404 conditions per place. [2024-11-07 23:29:49,027 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 625 selfloop transitions, 110 changer transitions 17/754 dead transitions. [2024-11-07 23:29:49,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 754 transitions, 13395 flow [2024-11-07 23:29:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:29:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:29:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 209 transitions. [2024-11-07 23:29:49,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.475 [2024-11-07 23:29:49,029 INFO L175 Difference]: Start difference. First operand has 270 places, 524 transitions, 8662 flow. Second operand 10 states and 209 transitions. [2024-11-07 23:29:49,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 754 transitions, 13395 flow [2024-11-07 23:29:54,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 754 transitions, 13104 flow, removed 111 selfloop flow, removed 3 redundant places. [2024-11-07 23:29:54,374 INFO L231 Difference]: Finished difference. Result has 281 places, 550 transitions, 9302 flow [2024-11-07 23:29:54,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8532, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=9302, PETRI_PLACES=281, PETRI_TRANSITIONS=550} [2024-11-07 23:29:54,374 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 236 predicate places. [2024-11-07 23:29:54,374 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 550 transitions, 9302 flow [2024-11-07 23:29:54,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:54,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:54,375 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 23:29:54,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:29:54,375 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:54,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 390536946, now seen corresponding path program 1 times [2024-11-07 23:29:54,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:54,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156396654] [2024-11-07 23:29:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:54,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:54,904 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 23:29:54,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:54,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156396654] [2024-11-07 23:29:54,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156396654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:54,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:54,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:54,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690638276] [2024-11-07 23:29:54,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:54,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:54,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:54,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:54,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:54,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:54,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 550 transitions, 9302 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 23:29:54,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:54,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:54,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand