./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_5-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_5-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', '3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e'] 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_5-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 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:28:40,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:28:40,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:28:40,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:28:40,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:28:40,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:28:40,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:28:40,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:28:40,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:28:40,188 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:28:40,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:28:40,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:28:40,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:28:40,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:28:40,189 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:28:40,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:28:40,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:28:40,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:28:40,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:28:40,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:28:40,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:28:40,193 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:28:40,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:28:40,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:28:40,193 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 -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-07 23:28:40,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:28:40,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:28:40,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:28:40,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:28:40,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:28:40,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-07 23:28:41,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:28:42,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:28:42,099 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-07 23:28:42,133 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6d4dccf0/43e062ceee6b458f972e20f0fa66febc/FLAGa2544e1df [2024-11-07 23:28:42,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6d4dccf0/43e062ceee6b458f972e20f0fa66febc [2024-11-07 23:28:42,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:28:42,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:28:42,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:28:42,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:28:42,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:28:42,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4390cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42, skipping insertion in model container [2024-11-07 23:28:42,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:42" (1/1) ... [2024-11-07 23:28:42,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:28:42,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:28:42,597 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:28:42,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:28:42,702 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:28:42,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:42 WrapperNode [2024-11-07 23:28:42,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:28:42,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:28:42,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:28:42,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:28:42,712 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 23:28:42,734 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 23:28:42,763 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-11-07 23:28:42,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:28:42,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:28:42,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:28:42,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:28:42,772 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 23:28:42,772 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 23:28:42,780 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 23:28:42,803 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 23:28:42,807 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 23:28:42,808 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 23:28:42,826 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 23:28:42,833 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 23:28:42,839 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 23:28:42,841 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 23:28:42,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:28:42,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:28:42,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:28:42,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:28:42,854 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 23:28:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:28:42,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:28:42,899 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 23:28:42,907 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 23:28:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-07 23:28:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:28:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:28:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:28:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:28:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:28:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:28:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:28:42,937 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 23:28:43,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:28:43,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:28:43,550 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:28:43,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:28:43,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:28:43,731 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:28:43,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:43 BoogieIcfgContainer [2024-11-07 23:28:43,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:28:43,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:28:43,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:28:43,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:28:43,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:28:42" (1/3) ... [2024-11-07 23:28:43,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716ccf72 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 23:28:43,741 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 23:28:43,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716ccf72 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 23:28:43,742 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 23:28:43,743 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-11-07 23:28:43,757 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:28:43,757 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 23:28:43,757 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:28:43,808 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 23:28:43,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-11-07 23:28:43,913 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2024-11-07 23:28:43,916 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 23:28:43,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 2/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-11-07 23:28:43,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-11-07 23:28:43,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-11-07 23:28:43,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:28:43,945 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;@52195782, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:28:43,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 23:28:43,953 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:28:43,953 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-07 23:28:43,953 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:28:43,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:43,954 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:43,955 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 23:28:43,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:43,960 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2024-11-07 23:28:43,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:43,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260582552] [2024-11-07 23:28:43,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:43,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:45,077 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 23:28:45,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:45,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260582552] [2024-11-07 23:28:45,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260582552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:45,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:45,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:28:45,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760310007] [2024-11-07 23:28:45,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:45,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:28:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:45,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:28:45,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:28:45,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:45,110 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 23:28:45,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:45,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:45,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:45,908 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2024-11-07 23:28:45,909 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-07 23:28:45,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2220 events. 1309/2220 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11613 event pairs, 581 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 4365. Up to 1340 conditions per place. [2024-11-07 23:28:45,930 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2024-11-07 23:28:45,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2024-11-07 23:28:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2024-11-07 23:28:45,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-11-07 23:28:45,951 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2024-11-07 23:28:45,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2024-11-07 23:28:45,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:45,965 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2024-11-07 23:28:45,969 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=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2024-11-07 23:28:45,974 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-11-07 23:28:45,975 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2024-11-07 23:28:45,975 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 23:28:45,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:45,976 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:45,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:28:45,976 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 23:28:45,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2024-11-07 23:28:45,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:45,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254008931] [2024-11-07 23:28:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:45,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:46,381 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 23:28:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:46,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254008931] [2024-11-07 23:28:46,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254008931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:46,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:46,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:28:46,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399422361] [2024-11-07 23:28:46,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:46,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:28:46,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:46,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:28:46,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:28:46,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:46,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 208 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 23:28:46,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:46,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:46,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:47,004 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2024-11-07 23:28:47,004 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2024-11-07 23:28:47,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 2657 events. 1551/2657 cut-off events. For 1048/1050 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14448 event pairs, 910 based on Foata normal form. 2/2419 useless extension candidates. Maximal degree in co-relation 5626. Up to 1866 conditions per place. [2024-11-07 23:28:47,023 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2024-11-07 23:28:47,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2024-11-07 23:28:47,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2024-11-07 23:28:47,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2024-11-07 23:28:47,028 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2024-11-07 23:28:47,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2024-11-07 23:28:47,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:28:47,039 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2024-11-07 23:28:47,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2024-11-07 23:28:47,040 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-11-07 23:28:47,041 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2024-11-07 23:28:47,041 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 23:28:47,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:47,041 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:47,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:28:47,042 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 23:28:47,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:47,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2024-11-07 23:28:47,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:47,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026047609] [2024-11-07 23:28:47,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:47,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:47,944 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 23:28:47,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:47,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026047609] [2024-11-07 23:28:47,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026047609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:47,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:47,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884722266] [2024-11-07 23:28:47,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:47,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:47,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:47,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:47,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:47,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:47,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 364 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 23:28:47,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:47,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:47,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:49,265 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2024-11-07 23:28:49,265 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2024-11-07 23:28:49,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 4295 events. 2489/4295 cut-off events. For 3375/3385 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 26392 event pairs, 1200 based on Foata normal form. 76/4155 useless extension candidates. Maximal degree in co-relation 8830. Up to 2376 conditions per place. [2024-11-07 23:28:49,298 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2024-11-07 23:28:49,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2024-11-07 23:28:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:28:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:28:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2024-11-07 23:28:49,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2024-11-07 23:28:49,302 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2024-11-07 23:28:49,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2024-11-07 23:28:49,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 23:28:49,335 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2024-11-07 23:28:49,335 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1003, PETRI_PLACES=96, PETRI_TRANSITIONS=133} [2024-11-07 23:28:49,336 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2024-11-07 23:28:49,336 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2024-11-07 23:28:49,336 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 23:28:49,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:49,337 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:49,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:28:49,337 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 23:28:49,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:49,337 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2024-11-07 23:28:49,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:49,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342047525] [2024-11-07 23:28:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:49,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:49,967 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 23:28:49,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:49,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342047525] [2024-11-07 23:28:49,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342047525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:49,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:49,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:49,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630801122] [2024-11-07 23:28:49,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:49,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:49,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:49,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:49,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:49,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:49,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 133 transitions, 1003 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 23:28:49,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:49,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:49,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:51,567 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2024-11-07 23:28:51,568 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2024-11-07 23:28:51,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16168 conditions, 4710 events. 2725/4710 cut-off events. For 10671/10686 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 29364 event pairs, 1037 based on Foata normal form. 81/4535 useless extension candidates. Maximal degree in co-relation 15535. Up to 2167 conditions per place. [2024-11-07 23:28:51,611 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2024-11-07 23:28:51,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2024-11-07 23:28:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:28:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 23:28:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2024-11-07 23:28:51,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2024-11-07 23:28:51,616 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2024-11-07 23:28:51,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2024-11-07 23:28:51,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:51,661 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2024-11-07 23:28:51,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1753, PETRI_PLACES=122, PETRI_TRANSITIONS=184} [2024-11-07 23:28:51,662 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2024-11-07 23:28:51,662 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2024-11-07 23:28:51,662 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 23:28:51,663 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:51,663 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:51,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:28:51,666 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 23:28:51,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:51,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2024-11-07 23:28:51,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:51,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142904372] [2024-11-07 23:28:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:52,179 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 23:28:52,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:52,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142904372] [2024-11-07 23:28:52,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142904372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:52,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:52,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:52,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314209380] [2024-11-07 23:28:52,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:52,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:52,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:52,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:52,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:52,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 184 transitions, 1753 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 23:28:52,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:52,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:52,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:53,551 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2024-11-07 23:28:53,552 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2024-11-07 23:28:53,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 5456 events. 3111/5456 cut-off events. For 18151/18163 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 35644 event pairs, 1654 based on Foata normal form. 88/5260 useless extension candidates. Maximal degree in co-relation 20167. Up to 4114 conditions per place. [2024-11-07 23:28:53,603 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2024-11-07 23:28:53,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2024-11-07 23:28:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:28:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 23:28:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2024-11-07 23:28:53,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2024-11-07 23:28:53,606 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2024-11-07 23:28:53,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2024-11-07 23:28:53,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-07 23:28:53,688 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2024-11-07 23:28:53,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1955, PETRI_PLACES=131, PETRI_TRANSITIONS=194} [2024-11-07 23:28:53,689 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-11-07 23:28:53,689 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2024-11-07 23:28:53,689 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 23:28:53,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:53,689 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:53,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:28:53,689 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:53,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:53,690 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2024-11-07 23:28:53,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:53,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463986510] [2024-11-07 23:28:53,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:53,771 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 23:28:53,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:53,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463986510] [2024-11-07 23:28:53,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463986510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:53,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:53,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:28:53,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129121927] [2024-11-07 23:28:53,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:53,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:28:53,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:53,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:28:53,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:28:53,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-11-07 23:28:53,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 194 transitions, 1955 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 23:28:53,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:53,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-11-07 23:28:53,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:54,307 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2024-11-07 23:28:54,307 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2024-11-07 23:28:54,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 3514 events. 1957/3514 cut-off events. For 10211/10213 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 21437 event pairs, 750 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 13066. Up to 2271 conditions per place. [2024-11-07 23:28:54,334 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2024-11-07 23:28:54,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2024-11-07 23:28:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:28:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:28:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-07 23:28:54,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-11-07 23:28:54,336 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2024-11-07 23:28:54,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2024-11-07 23:28:54,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-07 23:28:54,406 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2024-11-07 23:28:54,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1417, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1459, PETRI_PLACES=124, PETRI_TRANSITIONS=154} [2024-11-07 23:28:54,407 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2024-11-07 23:28:54,407 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2024-11-07 23:28:54,407 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 23:28:54,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:54,407 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:54,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:28:54,408 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:54,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2024-11-07 23:28:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394776008] [2024-11-07 23:28:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:54,813 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 23:28:54,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:54,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394776008] [2024-11-07 23:28:54,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394776008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:54,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:54,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:54,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168797629] [2024-11-07 23:28:54,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:54,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:54,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:54,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:54,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:54,815 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:54,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 154 transitions, 1459 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 23:28:54,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:54,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:54,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:55,849 INFO L124 PetriNetUnfolderBase]: 2147/3922 cut-off events. [2024-11-07 23:28:55,849 INFO L125 PetriNetUnfolderBase]: For 11147/11157 co-relation queries the response was YES. [2024-11-07 23:28:55,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14844 conditions, 3922 events. 2147/3922 cut-off events. For 11147/11157 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24060 event pairs, 940 based on Foata normal form. 72/3808 useless extension candidates. Maximal degree in co-relation 14460. Up to 2071 conditions per place. [2024-11-07 23:28:55,873 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 148 selfloop transitions, 59 changer transitions 16/225 dead transitions. [2024-11-07 23:28:55,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 225 transitions, 2259 flow [2024-11-07 23:28:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:28:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:28:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 217 transitions. [2024-11-07 23:28:55,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3287878787878788 [2024-11-07 23:28:55,875 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 15 states and 217 transitions. [2024-11-07 23:28:55,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 225 transitions, 2259 flow [2024-11-07 23:28:55,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 225 transitions, 2206 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-07 23:28:55,937 INFO L231 Difference]: Finished difference. Result has 139 places, 158 transitions, 1618 flow [2024-11-07 23:28:55,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1618, PETRI_PLACES=139, PETRI_TRANSITIONS=158} [2024-11-07 23:28:55,940 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 94 predicate places. [2024-11-07 23:28:55,940 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 158 transitions, 1618 flow [2024-11-07 23:28:55,941 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 23:28:55,941 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:55,941 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:55,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:28:55,942 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:55,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:55,943 INFO L85 PathProgramCache]: Analyzing trace with hash -421152827, now seen corresponding path program 3 times [2024-11-07 23:28:55,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:55,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165422170] [2024-11-07 23:28:55,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:55,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:56,312 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 23:28:56,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:56,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165422170] [2024-11-07 23:28:56,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165422170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:56,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:56,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:56,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981965661] [2024-11-07 23:28:56,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:56,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:56,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:56,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:56,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:56,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:56,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 158 transitions, 1618 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 23:28:56,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:56,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:56,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:57,574 INFO L124 PetriNetUnfolderBase]: 1983/3642 cut-off events. [2024-11-07 23:28:57,575 INFO L125 PetriNetUnfolderBase]: For 11129/11139 co-relation queries the response was YES. [2024-11-07 23:28:57,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 3642 events. 1983/3642 cut-off events. For 11129/11139 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 22167 event pairs, 751 based on Foata normal form. 80/3566 useless extension candidates. Maximal degree in co-relation 13803. Up to 1899 conditions per place. [2024-11-07 23:28:57,611 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 163 selfloop transitions, 85 changer transitions 19/269 dead transitions. [2024-11-07 23:28:57,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 269 transitions, 2863 flow [2024-11-07 23:28:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:28:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:28:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 273 transitions. [2024-11-07 23:28:57,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.326555023923445 [2024-11-07 23:28:57,616 INFO L175 Difference]: Start difference. First operand has 139 places, 158 transitions, 1618 flow. Second operand 19 states and 273 transitions. [2024-11-07 23:28:57,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 269 transitions, 2863 flow [2024-11-07 23:28:57,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 269 transitions, 2743 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-11-07 23:28:57,698 INFO L231 Difference]: Finished difference. Result has 155 places, 175 transitions, 1989 flow [2024-11-07 23:28:57,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1989, PETRI_PLACES=155, PETRI_TRANSITIONS=175} [2024-11-07 23:28:57,700 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2024-11-07 23:28:57,701 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 175 transitions, 1989 flow [2024-11-07 23:28:57,701 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 23:28:57,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:57,701 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:57,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:28:57,701 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 23:28:57,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:57,702 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2024-11-07 23:28:57,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:57,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989366601] [2024-11-07 23:28:57,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:57,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:58,207 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 23:28:58,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:58,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989366601] [2024-11-07 23:28:58,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989366601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:58,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:58,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:58,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922873416] [2024-11-07 23:28:58,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:58,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:58,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:58,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:58,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:58,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:58,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 175 transitions, 1989 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 23:28:58,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:58,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:58,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:59,231 INFO L124 PetriNetUnfolderBase]: 1348/2491 cut-off events. [2024-11-07 23:28:59,232 INFO L125 PetriNetUnfolderBase]: For 10755/10765 co-relation queries the response was YES. [2024-11-07 23:28:59,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 2491 events. 1348/2491 cut-off events. For 10755/10765 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14274 event pairs, 411 based on Foata normal form. 46/2393 useless extension candidates. Maximal degree in co-relation 10955. Up to 1219 conditions per place. [2024-11-07 23:28:59,254 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 160 selfloop transitions, 89 changer transitions 8/259 dead transitions. [2024-11-07 23:28:59,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 259 transitions, 2982 flow [2024-11-07 23:28:59,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 23:28:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 23:28:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 286 transitions. [2024-11-07 23:28:59,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2024-11-07 23:28:59,257 INFO L175 Difference]: Start difference. First operand has 155 places, 175 transitions, 1989 flow. Second operand 21 states and 286 transitions. [2024-11-07 23:28:59,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 259 transitions, 2982 flow [2024-11-07 23:28:59,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 259 transitions, 2818 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-11-07 23:28:59,334 INFO L231 Difference]: Finished difference. Result has 171 places, 192 transitions, 2285 flow [2024-11-07 23:28:59,334 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2285, PETRI_PLACES=171, PETRI_TRANSITIONS=192} [2024-11-07 23:28:59,335 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 126 predicate places. [2024-11-07 23:28:59,335 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 192 transitions, 2285 flow [2024-11-07 23:28:59,335 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 23:28:59,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:59,335 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:59,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:28:59,335 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 23:28:59,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:59,336 INFO L85 PathProgramCache]: Analyzing trace with hash -853563660, now seen corresponding path program 1 times [2024-11-07 23:28:59,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:59,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768012290] [2024-11-07 23:28:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:59,947 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 23:28:59,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:59,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768012290] [2024-11-07 23:28:59,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768012290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:59,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:59,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:28:59,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145450793] [2024-11-07 23:28:59,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:59,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:28:59,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:59,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:28:59,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:28:59,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:28:59,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 192 transitions, 2285 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:28:59,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:59,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:28:59,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:00,992 INFO L124 PetriNetUnfolderBase]: 1421/2624 cut-off events. [2024-11-07 23:29:00,992 INFO L125 PetriNetUnfolderBase]: For 13664/13674 co-relation queries the response was YES. [2024-11-07 23:29:01,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12594 conditions, 2624 events. 1421/2624 cut-off events. For 13664/13674 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 15373 event pairs, 494 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 12142. Up to 1521 conditions per place. [2024-11-07 23:29:01,013 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 207 selfloop transitions, 74 changer transitions 7/290 dead transitions. [2024-11-07 23:29:01,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 290 transitions, 3339 flow [2024-11-07 23:29:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:29:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 23:29:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2024-11-07 23:29:01,016 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-11-07 23:29:01,016 INFO L175 Difference]: Start difference. First operand has 171 places, 192 transitions, 2285 flow. Second operand 20 states and 285 transitions. [2024-11-07 23:29:01,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 290 transitions, 3339 flow [2024-11-07 23:29:01,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 290 transitions, 3232 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-11-07 23:29:01,113 INFO L231 Difference]: Finished difference. Result has 188 places, 204 transitions, 2522 flow [2024-11-07 23:29:01,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2182, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2522, PETRI_PLACES=188, PETRI_TRANSITIONS=204} [2024-11-07 23:29:01,114 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 143 predicate places. [2024-11-07 23:29:01,114 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 204 transitions, 2522 flow [2024-11-07 23:29:01,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:01,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:01,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:01,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 23:29:01,117 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 23:29:01,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:01,117 INFO L85 PathProgramCache]: Analyzing trace with hash 169149641, now seen corresponding path program 1 times [2024-11-07 23:29:01,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:01,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413167645] [2024-11-07 23:29:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:01,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:01,663 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 23:29:01,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:01,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413167645] [2024-11-07 23:29:01,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413167645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:01,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:01,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:01,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527285364] [2024-11-07 23:29:01,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:01,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:01,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:01,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:01,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:01,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 204 transitions, 2522 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:01,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:01,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:01,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:02,569 INFO L124 PetriNetUnfolderBase]: 1366/2537 cut-off events. [2024-11-07 23:29:02,570 INFO L125 PetriNetUnfolderBase]: For 18155/18165 co-relation queries the response was YES. [2024-11-07 23:29:02,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12644 conditions, 2537 events. 1366/2537 cut-off events. For 18155/18165 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14814 event pairs, 506 based on Foata normal form. 46/2523 useless extension candidates. Maximal degree in co-relation 12183. Up to 1573 conditions per place. [2024-11-07 23:29:02,581 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 189 selfloop transitions, 71 changer transitions 10/272 dead transitions. [2024-11-07 23:29:02,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 272 transitions, 3316 flow [2024-11-07 23:29:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:29:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:29:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2024-11-07 23:29:02,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3315508021390374 [2024-11-07 23:29:02,583 INFO L175 Difference]: Start difference. First operand has 188 places, 204 transitions, 2522 flow. Second operand 17 states and 248 transitions. [2024-11-07 23:29:02,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 272 transitions, 3316 flow [2024-11-07 23:29:02,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 272 transitions, 3162 flow, removed 14 selfloop flow, removed 11 redundant places. [2024-11-07 23:29:02,648 INFO L231 Difference]: Finished difference. Result has 194 places, 202 transitions, 2507 flow [2024-11-07 23:29:02,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2368, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2507, PETRI_PLACES=194, PETRI_TRANSITIONS=202} [2024-11-07 23:29:02,649 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-11-07 23:29:02,649 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 202 transitions, 2507 flow [2024-11-07 23:29:02,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:02,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:02,649 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:02,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 23:29:02,650 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 23:29:02,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:02,650 INFO L85 PathProgramCache]: Analyzing trace with hash -187265719, now seen corresponding path program 1 times [2024-11-07 23:29:02,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119388553] [2024-11-07 23:29:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:03,105 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 23:29:03,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:03,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119388553] [2024-11-07 23:29:03,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119388553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:03,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:03,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:03,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227582469] [2024-11-07 23:29:03,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:03,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:03,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:03,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:03,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:03,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:03,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 202 transitions, 2507 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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 23:29:03,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:03,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:03,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:04,072 INFO L124 PetriNetUnfolderBase]: 1484/2790 cut-off events. [2024-11-07 23:29:04,072 INFO L125 PetriNetUnfolderBase]: For 21310/21320 co-relation queries the response was YES. [2024-11-07 23:29:04,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13999 conditions, 2790 events. 1484/2790 cut-off events. For 21310/21320 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16700 event pairs, 575 based on Foata normal form. 10/2764 useless extension candidates. Maximal degree in co-relation 13850. Up to 1033 conditions per place. [2024-11-07 23:29:04,090 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 208 selfloop transitions, 95 changer transitions 7/312 dead transitions. [2024-11-07 23:29:04,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 312 transitions, 3807 flow [2024-11-07 23:29:04,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:29:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-07 23:29:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2024-11-07 23:29:04,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30237154150197626 [2024-11-07 23:29:04,091 INFO L175 Difference]: Start difference. First operand has 194 places, 202 transitions, 2507 flow. Second operand 23 states and 306 transitions. [2024-11-07 23:29:04,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 312 transitions, 3807 flow [2024-11-07 23:29:04,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 312 transitions, 3681 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-07 23:29:04,172 INFO L231 Difference]: Finished difference. Result has 204 places, 217 transitions, 2844 flow [2024-11-07 23:29:04,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2390, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2844, PETRI_PLACES=204, PETRI_TRANSITIONS=217} [2024-11-07 23:29:04,173 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 159 predicate places. [2024-11-07 23:29:04,173 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 217 transitions, 2844 flow [2024-11-07 23:29:04,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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 23:29:04,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:04,173 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:04,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:29:04,174 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 23:29:04,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:04,174 INFO L85 PathProgramCache]: Analyzing trace with hash -585472834, now seen corresponding path program 1 times [2024-11-07 23:29:04,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:04,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164545608] [2024-11-07 23:29:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:04,448 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 23:29:04,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:04,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164545608] [2024-11-07 23:29:04,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164545608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:04,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:04,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:04,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036490240] [2024-11-07 23:29:04,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:04,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:04,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:04,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:04,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:04,450 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:04,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 217 transitions, 2844 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 23:29:04,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:04,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:04,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:05,329 INFO L124 PetriNetUnfolderBase]: 1590/2981 cut-off events. [2024-11-07 23:29:05,329 INFO L125 PetriNetUnfolderBase]: For 26506/26516 co-relation queries the response was YES. [2024-11-07 23:29:05,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 2981 events. 1590/2981 cut-off events. For 26506/26516 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18165 event pairs, 553 based on Foata normal form. 34/3015 useless extension candidates. Maximal degree in co-relation 14662. Up to 771 conditions per place. [2024-11-07 23:29:05,345 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 215 selfloop transitions, 81 changer transitions 30/328 dead transitions. [2024-11-07 23:29:05,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 328 transitions, 4155 flow [2024-11-07 23:29:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 23:29:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 23:29:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 279 transitions. [2024-11-07 23:29:05,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2024-11-07 23:29:05,346 INFO L175 Difference]: Start difference. First operand has 204 places, 217 transitions, 2844 flow. Second operand 18 states and 279 transitions. [2024-11-07 23:29:05,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 328 transitions, 4155 flow [2024-11-07 23:29:05,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 328 transitions, 4012 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-11-07 23:29:05,417 INFO L231 Difference]: Finished difference. Result has 208 places, 215 transitions, 2841 flow [2024-11-07 23:29:05,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2685, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2841, PETRI_PLACES=208, PETRI_TRANSITIONS=215} [2024-11-07 23:29:05,418 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 163 predicate places. [2024-11-07 23:29:05,418 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 215 transitions, 2841 flow [2024-11-07 23:29:05,418 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 23:29:05,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:05,418 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:05,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:29:05,418 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:05,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:05,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 2 times [2024-11-07 23:29:05,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:05,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293067617] [2024-11-07 23:29:05,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:05,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:05,938 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 23:29:05,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:05,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293067617] [2024-11-07 23:29:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293067617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:05,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:05,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:05,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615864674] [2024-11-07 23:29:05,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:05,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:05,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:05,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:05,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:05,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:05,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 215 transitions, 2841 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:05,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:05,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:05,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:07,361 INFO L124 PetriNetUnfolderBase]: 1719/3227 cut-off events. [2024-11-07 23:29:07,362 INFO L125 PetriNetUnfolderBase]: For 29084/29094 co-relation queries the response was YES. [2024-11-07 23:29:07,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16696 conditions, 3227 events. 1719/3227 cut-off events. For 29084/29094 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20131 event pairs, 605 based on Foata normal form. 28/3255 useless extension candidates. Maximal degree in co-relation 15963. Up to 2174 conditions per place. [2024-11-07 23:29:07,395 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 252 selfloop transitions, 89 changer transitions 0/343 dead transitions. [2024-11-07 23:29:07,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 343 transitions, 4228 flow [2024-11-07 23:29:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 339 transitions. [2024-11-07 23:29:07,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3210227272727273 [2024-11-07 23:29:07,397 INFO L175 Difference]: Start difference. First operand has 208 places, 215 transitions, 2841 flow. Second operand 24 states and 339 transitions. [2024-11-07 23:29:07,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 343 transitions, 4228 flow [2024-11-07 23:29:07,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 343 transitions, 3970 flow, removed 79 selfloop flow, removed 8 redundant places. [2024-11-07 23:29:07,498 INFO L231 Difference]: Finished difference. Result has 223 places, 244 transitions, 3269 flow [2024-11-07 23:29:07,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2687, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3269, PETRI_PLACES=223, PETRI_TRANSITIONS=244} [2024-11-07 23:29:07,498 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 178 predicate places. [2024-11-07 23:29:07,499 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 244 transitions, 3269 flow [2024-11-07 23:29:07,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:07,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:07,499 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:07,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 23:29:07,499 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 23:29:07,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:07,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1440492951, now seen corresponding path program 3 times [2024-11-07 23:29:07,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:07,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104089055] [2024-11-07 23:29:07,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:07,987 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 23:29:07,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:07,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104089055] [2024-11-07 23:29:07,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104089055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:07,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:07,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:07,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686039230] [2024-11-07 23:29:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:07,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:07,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:07,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:07,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:07,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 244 transitions, 3269 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:07,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:07,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:07,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:09,197 INFO L124 PetriNetUnfolderBase]: 1754/3307 cut-off events. [2024-11-07 23:29:09,197 INFO L125 PetriNetUnfolderBase]: For 30732/30742 co-relation queries the response was YES. [2024-11-07 23:29:09,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17092 conditions, 3307 events. 1754/3307 cut-off events. For 30732/30742 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 20833 event pairs, 403 based on Foata normal form. 28/3335 useless extension candidates. Maximal degree in co-relation 16199. Up to 1226 conditions per place. [2024-11-07 23:29:09,235 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 210 selfloop transitions, 138 changer transitions 8/358 dead transitions. [2024-11-07 23:29:09,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 358 transitions, 4540 flow [2024-11-07 23:29:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-11-07 23:29:09,237 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-11-07 23:29:09,237 INFO L175 Difference]: Start difference. First operand has 223 places, 244 transitions, 3269 flow. Second operand 24 states and 341 transitions. [2024-11-07 23:29:09,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 358 transitions, 4540 flow [2024-11-07 23:29:09,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 358 transitions, 4388 flow, removed 40 selfloop flow, removed 7 redundant places. [2024-11-07 23:29:09,474 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 3712 flow [2024-11-07 23:29:09,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3141, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3712, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-11-07 23:29:09,476 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 200 predicate places. [2024-11-07 23:29:09,476 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 3712 flow [2024-11-07 23:29:09,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:09,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:09,478 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:09,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 23:29:09,478 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:09,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:09,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 2 times [2024-11-07 23:29:09,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:09,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764575393] [2024-11-07 23:29:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:09,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:10,011 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 23:29:10,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:10,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764575393] [2024-11-07 23:29:10,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764575393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:10,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:10,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:10,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473959126] [2024-11-07 23:29:10,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:10,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:10,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:10,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:10,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:10,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:10,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 3712 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:10,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:10,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:10,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:11,259 INFO L124 PetriNetUnfolderBase]: 1721/3271 cut-off events. [2024-11-07 23:29:11,259 INFO L125 PetriNetUnfolderBase]: For 37281/37291 co-relation queries the response was YES. [2024-11-07 23:29:11,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17559 conditions, 3271 events. 1721/3271 cut-off events. For 37281/37291 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20776 event pairs, 606 based on Foata normal form. 46/3317 useless extension candidates. Maximal degree in co-relation 17479. Up to 2184 conditions per place. [2024-11-07 23:29:11,283 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 247 selfloop transitions, 92 changer transitions 10/351 dead transitions. [2024-11-07 23:29:11,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 351 transitions, 4639 flow [2024-11-07 23:29:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-11-07 23:29:11,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-11-07 23:29:11,285 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 3712 flow. Second operand 24 states and 338 transitions. [2024-11-07 23:29:11,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 351 transitions, 4639 flow [2024-11-07 23:29:11,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 351 transitions, 4488 flow, removed 8 selfloop flow, removed 18 redundant places. [2024-11-07 23:29:11,430 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 3755 flow [2024-11-07 23:29:11,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3497, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3755, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-11-07 23:29:11,431 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 207 predicate places. [2024-11-07 23:29:11,431 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 3755 flow [2024-11-07 23:29:11,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:11,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:11,431 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:11,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:29:11,432 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:11,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:11,432 INFO L85 PathProgramCache]: Analyzing trace with hash -78545848, now seen corresponding path program 3 times [2024-11-07 23:29:11,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:11,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602157807] [2024-11-07 23:29:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:11,926 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 23:29:11,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:11,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602157807] [2024-11-07 23:29:11,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602157807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:11,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:11,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:11,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747417285] [2024-11-07 23:29:11,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:11,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:11,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:11,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:11,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:11,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 3755 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:11,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:11,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:11,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:12,991 INFO L124 PetriNetUnfolderBase]: 1682/3230 cut-off events. [2024-11-07 23:29:12,991 INFO L125 PetriNetUnfolderBase]: For 38925/38935 co-relation queries the response was YES. [2024-11-07 23:29:13,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17875 conditions, 3230 events. 1682/3230 cut-off events. For 38925/38935 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20577 event pairs, 394 based on Foata normal form. 32/3262 useless extension candidates. Maximal degree in co-relation 16910. Up to 1160 conditions per place. [2024-11-07 23:29:13,015 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 226 selfloop transitions, 120 changer transitions 15/363 dead transitions. [2024-11-07 23:29:13,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 4945 flow [2024-11-07 23:29:13,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-11-07 23:29:13,016 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-11-07 23:29:13,016 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 3755 flow. Second operand 24 states and 341 transitions. [2024-11-07 23:29:13,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 4945 flow [2024-11-07 23:29:13,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 363 transitions, 4739 flow, removed 30 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:13,179 INFO L231 Difference]: Finished difference. Result has 257 places, 250 transitions, 3932 flow [2024-11-07 23:29:13,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3542, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3932, PETRI_PLACES=257, PETRI_TRANSITIONS=250} [2024-11-07 23:29:13,180 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 212 predicate places. [2024-11-07 23:29:13,180 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 250 transitions, 3932 flow [2024-11-07 23:29:13,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:13,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:13,180 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:13,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 23:29:13,181 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:13,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:13,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338218, now seen corresponding path program 4 times [2024-11-07 23:29:13,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:13,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245688460] [2024-11-07 23:29:13,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:13,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:13,674 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 23:29:13,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:13,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245688460] [2024-11-07 23:29:13,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245688460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:13,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:13,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051703410] [2024-11-07 23:29:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:13,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:13,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:13,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:13,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:13,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:13,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 250 transitions, 3932 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:13,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:13,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:13,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:14,950 INFO L124 PetriNetUnfolderBase]: 1760/3392 cut-off events. [2024-11-07 23:29:14,950 INFO L125 PetriNetUnfolderBase]: For 41560/41570 co-relation queries the response was YES. [2024-11-07 23:29:14,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18924 conditions, 3392 events. 1760/3392 cut-off events. For 41560/41570 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 21943 event pairs, 561 based on Foata normal form. 26/3418 useless extension candidates. Maximal degree in co-relation 18420. Up to 2328 conditions per place. [2024-11-07 23:29:14,971 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 279 selfloop transitions, 93 changer transitions 0/374 dead transitions. [2024-11-07 23:29:14,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 5227 flow [2024-11-07 23:29:14,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:29:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 23:29:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2024-11-07 23:29:14,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2024-11-07 23:29:14,972 INFO L175 Difference]: Start difference. First operand has 257 places, 250 transitions, 3932 flow. Second operand 22 states and 310 transitions. [2024-11-07 23:29:14,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 5227 flow [2024-11-07 23:29:15,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 374 transitions, 5029 flow, removed 12 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:15,117 INFO L231 Difference]: Finished difference. Result has 269 places, 278 transitions, 4301 flow [2024-11-07 23:29:15,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3750, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4301, PETRI_PLACES=269, PETRI_TRANSITIONS=278} [2024-11-07 23:29:15,118 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 224 predicate places. [2024-11-07 23:29:15,118 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 278 transitions, 4301 flow [2024-11-07 23:29:15,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:15,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:15,118 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:15,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:29:15,118 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 23:29:15,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:15,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2024-11-07 23:29:15,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:15,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029385149] [2024-11-07 23:29:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:15,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:15,581 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 23:29:15,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:15,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029385149] [2024-11-07 23:29:15,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029385149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:15,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:15,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:15,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081235047] [2024-11-07 23:29:15,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:15,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:15,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:15,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:15,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:15,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:15,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 278 transitions, 4301 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:15,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:15,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:15,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:16,674 INFO L124 PetriNetUnfolderBase]: 1938/3727 cut-off events. [2024-11-07 23:29:16,674 INFO L125 PetriNetUnfolderBase]: For 48332/48342 co-relation queries the response was YES. [2024-11-07 23:29:16,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21622 conditions, 3727 events. 1938/3727 cut-off events. For 48332/48342 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24675 event pairs, 411 based on Foata normal form. 28/3755 useless extension candidates. Maximal degree in co-relation 21116. Up to 1431 conditions per place. [2024-11-07 23:29:16,701 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 244 selfloop transitions, 162 changer transitions 10/418 dead transitions. [2024-11-07 23:29:16,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 418 transitions, 6163 flow [2024-11-07 23:29:16,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:29:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-07 23:29:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-11-07 23:29:16,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-11-07 23:29:16,703 INFO L175 Difference]: Start difference. First operand has 269 places, 278 transitions, 4301 flow. Second operand 23 states and 320 transitions. [2024-11-07 23:29:16,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 418 transitions, 6163 flow [2024-11-07 23:29:16,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 418 transitions, 5948 flow, removed 61 selfloop flow, removed 7 redundant places. [2024-11-07 23:29:16,925 INFO L231 Difference]: Finished difference. Result has 293 places, 308 transitions, 5118 flow [2024-11-07 23:29:16,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4126, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5118, PETRI_PLACES=293, PETRI_TRANSITIONS=308} [2024-11-07 23:29:16,926 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 248 predicate places. [2024-11-07 23:29:16,926 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 308 transitions, 5118 flow [2024-11-07 23:29:16,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:16,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:16,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:16,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 23:29:16,926 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:16,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:16,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2024-11-07 23:29:16,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:16,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145088945] [2024-11-07 23:29:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:16,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:17,379 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 23:29:17,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:17,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145088945] [2024-11-07 23:29:17,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145088945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:17,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:17,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:17,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122381547] [2024-11-07 23:29:17,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:17,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:17,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:17,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:17,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:17,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 308 transitions, 5118 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:17,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:17,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:17,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:18,453 INFO L124 PetriNetUnfolderBase]: 1913/3692 cut-off events. [2024-11-07 23:29:18,453 INFO L125 PetriNetUnfolderBase]: For 59065/59075 co-relation queries the response was YES. [2024-11-07 23:29:18,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22788 conditions, 3692 events. 1913/3692 cut-off events. For 59065/59075 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 24464 event pairs, 448 based on Foata normal form. 28/3720 useless extension candidates. Maximal degree in co-relation 22258. Up to 1559 conditions per place. [2024-11-07 23:29:18,487 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 214 selfloop transitions, 168 changer transitions 17/401 dead transitions. [2024-11-07 23:29:18,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 401 transitions, 6385 flow [2024-11-07 23:29:18,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:29:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-07 23:29:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 310 transitions. [2024-11-07 23:29:18,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30632411067193677 [2024-11-07 23:29:18,488 INFO L175 Difference]: Start difference. First operand has 293 places, 308 transitions, 5118 flow. Second operand 23 states and 310 transitions. [2024-11-07 23:29:18,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 401 transitions, 6385 flow [2024-11-07 23:29:18,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 401 transitions, 6194 flow, removed 38 selfloop flow, removed 11 redundant places. [2024-11-07 23:29:18,770 INFO L231 Difference]: Finished difference. Result has 309 places, 314 transitions, 5489 flow [2024-11-07 23:29:18,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4915, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5489, PETRI_PLACES=309, PETRI_TRANSITIONS=314} [2024-11-07 23:29:18,771 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 264 predicate places. [2024-11-07 23:29:18,771 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 314 transitions, 5489 flow [2024-11-07 23:29:18,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:18,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:18,772 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:18,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 23:29:18,772 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:18,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:18,772 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 5 times [2024-11-07 23:29:18,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:18,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858061078] [2024-11-07 23:29:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:19,198 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 23:29:19,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:19,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858061078] [2024-11-07 23:29:19,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858061078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:19,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:19,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:19,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120427746] [2024-11-07 23:29:19,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:19,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:19,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:19,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:19,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:19,199 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:19,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 314 transitions, 5489 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:19,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:19,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:19,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:20,557 INFO L124 PetriNetUnfolderBase]: 1899/3662 cut-off events. [2024-11-07 23:29:20,557 INFO L125 PetriNetUnfolderBase]: For 64898/64908 co-relation queries the response was YES. [2024-11-07 23:29:20,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23040 conditions, 3662 events. 1899/3662 cut-off events. For 64898/64908 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 24247 event pairs, 426 based on Foata normal form. 28/3690 useless extension candidates. Maximal degree in co-relation 22564. Up to 1504 conditions per place. [2024-11-07 23:29:20,581 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 252 selfloop transitions, 156 changer transitions 5/415 dead transitions. [2024-11-07 23:29:20,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 415 transitions, 6757 flow [2024-11-07 23:29:20,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-07 23:29:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-07 23:29:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 347 transitions. [2024-11-07 23:29:20,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31545454545454543 [2024-11-07 23:29:20,583 INFO L175 Difference]: Start difference. First operand has 309 places, 314 transitions, 5489 flow. Second operand 25 states and 347 transitions. [2024-11-07 23:29:20,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 415 transitions, 6757 flow [2024-11-07 23:29:20,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 415 transitions, 6557 flow, removed 18 selfloop flow, removed 15 redundant places. [2024-11-07 23:29:20,821 INFO L231 Difference]: Finished difference. Result has 321 places, 318 transitions, 5829 flow [2024-11-07 23:29:20,822 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5247, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5829, PETRI_PLACES=321, PETRI_TRANSITIONS=318} [2024-11-07 23:29:20,822 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 276 predicate places. [2024-11-07 23:29:20,822 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 318 transitions, 5829 flow [2024-11-07 23:29:20,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:20,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:20,822 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:20,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 23:29:20,823 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:20,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:20,823 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2024-11-07 23:29:20,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:20,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146119735] [2024-11-07 23:29:20,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:20,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:21,234 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 23:29:21,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:21,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146119735] [2024-11-07 23:29:21,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146119735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:21,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:21,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:21,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313774811] [2024-11-07 23:29:21,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:21,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:21,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:21,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:21,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:21,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:21,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 318 transitions, 5829 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:21,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:21,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:21,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:22,523 INFO L124 PetriNetUnfolderBase]: 1877/3635 cut-off events. [2024-11-07 23:29:22,523 INFO L125 PetriNetUnfolderBase]: For 68882/68892 co-relation queries the response was YES. [2024-11-07 23:29:22,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23495 conditions, 3635 events. 1877/3635 cut-off events. For 68882/68892 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 24087 event pairs, 384 based on Foata normal form. 32/3667 useless extension candidates. Maximal degree in co-relation 23018. Up to 1353 conditions per place. [2024-11-07 23:29:22,550 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 275 selfloop transitions, 145 changer transitions 12/434 dead transitions. [2024-11-07 23:29:22,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 434 transitions, 7077 flow [2024-11-07 23:29:22,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 23:29:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-07 23:29:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 369 transitions. [2024-11-07 23:29:22,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32255244755244755 [2024-11-07 23:29:22,552 INFO L175 Difference]: Start difference. First operand has 321 places, 318 transitions, 5829 flow. Second operand 26 states and 369 transitions. [2024-11-07 23:29:22,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 434 transitions, 7077 flow [2024-11-07 23:29:22,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 434 transitions, 6831 flow, removed 28 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:22,812 INFO L231 Difference]: Finished difference. Result has 330 places, 315 transitions, 5971 flow [2024-11-07 23:29:22,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5515, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5971, PETRI_PLACES=330, PETRI_TRANSITIONS=315} [2024-11-07 23:29:22,813 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 285 predicate places. [2024-11-07 23:29:22,813 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 315 transitions, 5971 flow [2024-11-07 23:29:22,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:22,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:22,813 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:22,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 23:29:22,813 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:22,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 6 times [2024-11-07 23:29:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:22,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104479522] [2024-11-07 23:29:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:23,240 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 23:29:23,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:23,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104479522] [2024-11-07 23:29:23,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104479522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:23,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:23,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:23,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022035582] [2024-11-07 23:29:23,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:23,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:23,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:23,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:23,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:23,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:23,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 315 transitions, 5971 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:23,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:23,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:23,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:24,415 INFO L124 PetriNetUnfolderBase]: 1816/3548 cut-off events. [2024-11-07 23:29:24,415 INFO L125 PetriNetUnfolderBase]: For 71302/71312 co-relation queries the response was YES. [2024-11-07 23:29:24,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23434 conditions, 3548 events. 1816/3548 cut-off events. For 71302/71312 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 23545 event pairs, 635 based on Foata normal form. 44/3592 useless extension candidates. Maximal degree in co-relation 23086. Up to 2500 conditions per place. [2024-11-07 23:29:24,448 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 287 selfloop transitions, 93 changer transitions 11/393 dead transitions. [2024-11-07 23:29:24,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 393 transitions, 6964 flow [2024-11-07 23:29:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:29:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:29:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 270 transitions. [2024-11-07 23:29:24,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229665071770335 [2024-11-07 23:29:24,449 INFO L175 Difference]: Start difference. First operand has 330 places, 315 transitions, 5971 flow. Second operand 19 states and 270 transitions. [2024-11-07 23:29:24,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 393 transitions, 6964 flow [2024-11-07 23:29:24,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 393 transitions, 6745 flow, removed 9 selfloop flow, removed 23 redundant places. [2024-11-07 23:29:24,740 INFO L231 Difference]: Finished difference. Result has 327 places, 309 transitions, 5885 flow [2024-11-07 23:29:24,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5712, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5885, PETRI_PLACES=327, PETRI_TRANSITIONS=309} [2024-11-07 23:29:24,741 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 282 predicate places. [2024-11-07 23:29:24,741 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 309 transitions, 5885 flow [2024-11-07 23:29:24,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:24,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:24,741 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:24,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 23:29:24,741 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:24,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:24,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2002664298, now seen corresponding path program 2 times [2024-11-07 23:29:24,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:24,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514262356] [2024-11-07 23:29:24,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:24,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:25,036 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 23:29:25,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:25,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514262356] [2024-11-07 23:29:25,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514262356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:25,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:25,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:25,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117193880] [2024-11-07 23:29:25,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:25,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:25,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:25,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:25,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:25,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:25,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 309 transitions, 5885 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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 23:29:25,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:25,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:25,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:25,915 INFO L124 PetriNetUnfolderBase]: 1854/3601 cut-off events. [2024-11-07 23:29:25,915 INFO L125 PetriNetUnfolderBase]: For 71085/71095 co-relation queries the response was YES. [2024-11-07 23:29:25,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23829 conditions, 3601 events. 1854/3601 cut-off events. For 71085/71095 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 23913 event pairs, 692 based on Foata normal form. 34/3635 useless extension candidates. Maximal degree in co-relation 23611. Up to 2701 conditions per place. [2024-11-07 23:29:25,951 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 276 selfloop transitions, 83 changer transitions 4/365 dead transitions. [2024-11-07 23:29:25,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 365 transitions, 7014 flow [2024-11-07 23:29:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:29:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:29:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 206 transitions. [2024-11-07 23:29:25,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31212121212121213 [2024-11-07 23:29:25,952 INFO L175 Difference]: Start difference. First operand has 327 places, 309 transitions, 5885 flow. Second operand 15 states and 206 transitions. [2024-11-07 23:29:25,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 365 transitions, 7014 flow [2024-11-07 23:29:26,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 365 transitions, 6816 flow, removed 6 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:26,225 INFO L231 Difference]: Finished difference. Result has 323 places, 318 transitions, 6079 flow [2024-11-07 23:29:26,225 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5687, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6079, PETRI_PLACES=323, PETRI_TRANSITIONS=318} [2024-11-07 23:29:26,225 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 278 predicate places. [2024-11-07 23:29:26,226 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 318 transitions, 6079 flow [2024-11-07 23:29:26,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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 23:29:26,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:26,226 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:26,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 23:29:26,226 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:26,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:26,226 INFO L85 PathProgramCache]: Analyzing trace with hash -407316663, now seen corresponding path program 2 times [2024-11-07 23:29:26,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:26,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355056336] [2024-11-07 23:29:26,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:26,459 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 23:29:26,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:26,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355056336] [2024-11-07 23:29:26,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355056336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:26,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:26,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:29:26,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213158852] [2024-11-07 23:29:26,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:26,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:26,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:26,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:26,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:26,461 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:26,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 318 transitions, 6079 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 23:29:26,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:26,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:26,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:27,315 INFO L124 PetriNetUnfolderBase]: 2043/4156 cut-off events. [2024-11-07 23:29:27,315 INFO L125 PetriNetUnfolderBase]: For 76960/76966 co-relation queries the response was YES. [2024-11-07 23:29:27,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26712 conditions, 4156 events. 2043/4156 cut-off events. For 76960/76966 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 30599 event pairs, 390 based on Foata normal form. 40/4196 useless extension candidates. Maximal degree in co-relation 26262. Up to 1483 conditions per place. [2024-11-07 23:29:27,354 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 354 selfloop transitions, 139 changer transitions 0/495 dead transitions. [2024-11-07 23:29:27,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 495 transitions, 9808 flow [2024-11-07 23:29:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:29:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 23:29:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 201 transitions. [2024-11-07 23:29:27,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3806818181818182 [2024-11-07 23:29:27,355 INFO L175 Difference]: Start difference. First operand has 323 places, 318 transitions, 6079 flow. Second operand 12 states and 201 transitions. [2024-11-07 23:29:27,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 495 transitions, 9808 flow [2024-11-07 23:29:27,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 495 transitions, 9659 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-11-07 23:29:27,674 INFO L231 Difference]: Finished difference. Result has 332 places, 357 transitions, 7005 flow [2024-11-07 23:29:27,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5857, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7005, PETRI_PLACES=332, PETRI_TRANSITIONS=357} [2024-11-07 23:29:27,675 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 287 predicate places. [2024-11-07 23:29:27,675 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 357 transitions, 7005 flow [2024-11-07 23:29:27,676 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 23:29:27,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:27,676 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:27,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 23:29:27,676 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:27,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:27,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1896540771, now seen corresponding path program 7 times [2024-11-07 23:29:27,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:27,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142982647] [2024-11-07 23:29:27,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:27,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:28,023 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 23:29:28,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:28,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142982647] [2024-11-07 23:29:28,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142982647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:28,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:28,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:28,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785276724] [2024-11-07 23:29:28,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:28,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:28,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:28,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:28,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:28,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:28,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 357 transitions, 7005 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:28,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:28,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:28,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:29,445 INFO L124 PetriNetUnfolderBase]: 2311/4660 cut-off events. [2024-11-07 23:29:29,445 INFO L125 PetriNetUnfolderBase]: For 96661/96667 co-relation queries the response was YES. [2024-11-07 23:29:29,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31988 conditions, 4660 events. 2311/4660 cut-off events. For 96661/96667 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 34354 event pairs, 715 based on Foata normal form. 96/4756 useless extension candidates. Maximal degree in co-relation 31442. Up to 2389 conditions per place. [2024-11-07 23:29:29,489 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 365 selfloop transitions, 129 changer transitions 9/505 dead transitions. [2024-11-07 23:29:29,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 505 transitions, 9658 flow [2024-11-07 23:29:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 330 transitions. [2024-11-07 23:29:29,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-11-07 23:29:29,491 INFO L175 Difference]: Start difference. First operand has 332 places, 357 transitions, 7005 flow. Second operand 24 states and 330 transitions. [2024-11-07 23:29:29,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 505 transitions, 9658 flow [2024-11-07 23:29:29,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 505 transitions, 9589 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-07 23:29:29,905 INFO L231 Difference]: Finished difference. Result has 356 places, 376 transitions, 7827 flow [2024-11-07 23:29:29,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6936, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7827, PETRI_PLACES=356, PETRI_TRANSITIONS=376} [2024-11-07 23:29:29,906 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 311 predicate places. [2024-11-07 23:29:29,906 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 376 transitions, 7827 flow [2024-11-07 23:29:29,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:29,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:29,907 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:29,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 23:29:29,907 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:29,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:29,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1923729685, now seen corresponding path program 3 times [2024-11-07 23:29:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422676769] [2024-11-07 23:29:29,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:29,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:30,224 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 23:29:30,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:30,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422676769] [2024-11-07 23:29:30,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422676769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:30,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:30,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562843801] [2024-11-07 23:29:30,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:30,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:30,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:30,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:30,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:30,225 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:30,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 376 transitions, 7827 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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 23:29:30,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:30,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:30,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:31,555 INFO L124 PetriNetUnfolderBase]: 2262/4571 cut-off events. [2024-11-07 23:29:31,555 INFO L125 PetriNetUnfolderBase]: For 102715/102721 co-relation queries the response was YES. [2024-11-07 23:29:31,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32452 conditions, 4571 events. 2262/4571 cut-off events. For 102715/102721 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 33469 event pairs, 787 based on Foata normal form. 30/4599 useless extension candidates. Maximal degree in co-relation 31969. Up to 3133 conditions per place. [2024-11-07 23:29:31,609 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 265 selfloop transitions, 132 changer transitions 56/455 dead transitions. [2024-11-07 23:29:31,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 455 transitions, 9284 flow [2024-11-07 23:29:31,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 23:29:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-07 23:29:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 320 transitions. [2024-11-07 23:29:31,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27972027972027974 [2024-11-07 23:29:31,610 INFO L175 Difference]: Start difference. First operand has 356 places, 376 transitions, 7827 flow. Second operand 26 states and 320 transitions. [2024-11-07 23:29:31,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 455 transitions, 9284 flow [2024-11-07 23:29:32,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 455 transitions, 9008 flow, removed 27 selfloop flow, removed 14 redundant places. [2024-11-07 23:29:32,196 INFO L231 Difference]: Finished difference. Result has 366 places, 353 transitions, 7284 flow [2024-11-07 23:29:32,197 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7519, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7284, PETRI_PLACES=366, PETRI_TRANSITIONS=353} [2024-11-07 23:29:32,197 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2024-11-07 23:29:32,197 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 353 transitions, 7284 flow [2024-11-07 23:29:32,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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 23:29:32,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:32,197 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:32,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 23:29:32,197 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:32,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:32,198 INFO L85 PathProgramCache]: Analyzing trace with hash -644506552, now seen corresponding path program 7 times [2024-11-07 23:29:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:32,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022487622] [2024-11-07 23:29:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:32,532 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 23:29:32,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:32,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022487622] [2024-11-07 23:29:32,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022487622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:32,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:32,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:32,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102689490] [2024-11-07 23:29:32,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:32,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:32,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:32,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:32,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:32,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:32,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 353 transitions, 7284 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:32,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:32,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:32,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:34,016 INFO L124 PetriNetUnfolderBase]: 2012/4169 cut-off events. [2024-11-07 23:29:34,016 INFO L125 PetriNetUnfolderBase]: For 90445/90447 co-relation queries the response was YES. [2024-11-07 23:29:34,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27801 conditions, 4169 events. 2012/4169 cut-off events. For 90445/90447 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 30816 event pairs, 617 based on Foata normal form. 116/4285 useless extension candidates. Maximal degree in co-relation 27319. Up to 2231 conditions per place. [2024-11-07 23:29:34,062 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 340 selfloop transitions, 118 changer transitions 15/475 dead transitions. [2024-11-07 23:29:34,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 475 transitions, 9184 flow [2024-11-07 23:29:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:29:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-07 23:29:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-11-07 23:29:34,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-11-07 23:29:34,063 INFO L175 Difference]: Start difference. First operand has 366 places, 353 transitions, 7284 flow. Second operand 23 states and 320 transitions. [2024-11-07 23:29:34,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 475 transitions, 9184 flow [2024-11-07 23:29:34,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 475 transitions, 8901 flow, removed 39 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:34,475 INFO L231 Difference]: Finished difference. Result has 362 places, 350 transitions, 7301 flow [2024-11-07 23:29:34,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6945, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7301, PETRI_PLACES=362, PETRI_TRANSITIONS=350} [2024-11-07 23:29:34,476 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 317 predicate places. [2024-11-07 23:29:34,476 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 350 transitions, 7301 flow [2024-11-07 23:29:34,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:34,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:34,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:34,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 23:29:34,477 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:34,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:34,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830186, now seen corresponding path program 3 times [2024-11-07 23:29:34,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:34,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821416900] [2024-11-07 23:29:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:34,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:34,687 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 23:29:34,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:34,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821416900] [2024-11-07 23:29:34,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821416900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:34,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:34,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:34,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719842781] [2024-11-07 23:29:34,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:34,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:34,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:34,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:34,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:34,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 350 transitions, 7301 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 23:29:34,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:34,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:34,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:35,882 INFO L124 PetriNetUnfolderBase]: 2272/4704 cut-off events. [2024-11-07 23:29:35,882 INFO L125 PetriNetUnfolderBase]: For 91966/91968 co-relation queries the response was YES. [2024-11-07 23:29:35,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32029 conditions, 4704 events. 2272/4704 cut-off events. For 91966/91968 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 35623 event pairs, 843 based on Foata normal form. 26/4730 useless extension candidates. Maximal degree in co-relation 31589. Up to 1040 conditions per place. [2024-11-07 23:29:35,921 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 285 selfloop transitions, 177 changer transitions 0/464 dead transitions. [2024-11-07 23:29:35,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 464 transitions, 9234 flow [2024-11-07 23:29:35,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:29:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 23:29:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 303 transitions. [2024-11-07 23:29:35,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3443181818181818 [2024-11-07 23:29:35,922 INFO L175 Difference]: Start difference. First operand has 362 places, 350 transitions, 7301 flow. Second operand 20 states and 303 transitions. [2024-11-07 23:29:35,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 464 transitions, 9234 flow [2024-11-07 23:29:36,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 464 transitions, 9050 flow, removed 16 selfloop flow, removed 16 redundant places. [2024-11-07 23:29:36,292 INFO L231 Difference]: Finished difference. Result has 369 places, 370 transitions, 7922 flow [2024-11-07 23:29:36,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7135, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7922, PETRI_PLACES=369, PETRI_TRANSITIONS=370} [2024-11-07 23:29:36,293 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 324 predicate places. [2024-11-07 23:29:36,294 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 370 transitions, 7922 flow [2024-11-07 23:29:36,294 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 23:29:36,294 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:36,294 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:36,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 23:29:36,294 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:36,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:36,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830187, now seen corresponding path program 4 times [2024-11-07 23:29:36,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:36,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371226063] [2024-11-07 23:29:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:36,473 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 23:29:36,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:36,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371226063] [2024-11-07 23:29:36,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371226063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:36,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:36,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:29:36,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088035112] [2024-11-07 23:29:36,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:36,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:36,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:36,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:36,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:36,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:36,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 370 transitions, 7922 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 23:29:36,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:36,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:36,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:37,526 INFO L124 PetriNetUnfolderBase]: 2107/4382 cut-off events. [2024-11-07 23:29:37,526 INFO L125 PetriNetUnfolderBase]: For 82113/82115 co-relation queries the response was YES. [2024-11-07 23:29:37,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29678 conditions, 4382 events. 2107/4382 cut-off events. For 82113/82115 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 33331 event pairs, 556 based on Foata normal form. 38/4420 useless extension candidates. Maximal degree in co-relation 29167. Up to 1362 conditions per place. [2024-11-07 23:29:37,572 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 312 selfloop transitions, 160 changer transitions 0/474 dead transitions. [2024-11-07 23:29:37,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 474 transitions, 10645 flow [2024-11-07 23:29:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:29:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 23:29:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 206 transitions. [2024-11-07 23:29:37,573 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39015151515151514 [2024-11-07 23:29:37,573 INFO L175 Difference]: Start difference. First operand has 369 places, 370 transitions, 7922 flow. Second operand 12 states and 206 transitions. [2024-11-07 23:29:37,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 474 transitions, 10645 flow [2024-11-07 23:29:37,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 474 transitions, 10299 flow, removed 68 selfloop flow, removed 14 redundant places. [2024-11-07 23:29:37,913 INFO L231 Difference]: Finished difference. Result has 372 places, 404 transitions, 8842 flow [2024-11-07 23:29:37,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7454, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8842, PETRI_PLACES=372, PETRI_TRANSITIONS=404} [2024-11-07 23:29:37,914 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2024-11-07 23:29:37,914 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 404 transitions, 8842 flow [2024-11-07 23:29:37,914 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 23:29:37,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:37,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:37,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 23:29:37,914 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:37,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:37,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1312180764, now seen corresponding path program 8 times [2024-11-07 23:29:37,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:37,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611677194] [2024-11-07 23:29:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:38,290 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 23:29:38,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611677194] [2024-11-07 23:29:38,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611677194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:38,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:38,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:38,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190071260] [2024-11-07 23:29:38,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:38,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:38,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:38,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:38,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:38,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:38,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 404 transitions, 8842 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:38,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:38,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:38,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:39,621 INFO L124 PetriNetUnfolderBase]: 2007/4222 cut-off events. [2024-11-07 23:29:39,621 INFO L125 PetriNetUnfolderBase]: For 83401/83403 co-relation queries the response was YES. [2024-11-07 23:29:39,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28751 conditions, 4222 events. 2007/4222 cut-off events. For 83401/83403 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 31851 event pairs, 547 based on Foata normal form. 92/4312 useless extension candidates. Maximal degree in co-relation 28381. Up to 2173 conditions per place. [2024-11-07 23:29:39,659 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 407 selfloop transitions, 112 changer transitions 0/521 dead transitions. [2024-11-07 23:29:39,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 521 transitions, 11140 flow [2024-11-07 23:29:39,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:29:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 23:29:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 275 transitions. [2024-11-07 23:29:39,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3125 [2024-11-07 23:29:39,660 INFO L175 Difference]: Start difference. First operand has 372 places, 404 transitions, 8842 flow. Second operand 20 states and 275 transitions. [2024-11-07 23:29:39,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 521 transitions, 11140 flow [2024-11-07 23:29:39,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 521 transitions, 11075 flow, removed 26 selfloop flow, removed 3 redundant places. [2024-11-07 23:29:40,002 INFO L231 Difference]: Finished difference. Result has 392 places, 411 transitions, 9331 flow [2024-11-07 23:29:40,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8747, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9331, PETRI_PLACES=392, PETRI_TRANSITIONS=411} [2024-11-07 23:29:40,003 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 347 predicate places. [2024-11-07 23:29:40,003 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 411 transitions, 9331 flow [2024-11-07 23:29:40,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:40,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:40,003 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:40,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 23:29:40,004 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:40,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:40,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1258730295, now seen corresponding path program 5 times [2024-11-07 23:29:40,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952941508] [2024-11-07 23:29:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:40,175 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 23:29:40,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:40,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952941508] [2024-11-07 23:29:40,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952941508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:40,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:40,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:29:40,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380997101] [2024-11-07 23:29:40,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:40,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:40,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:40,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:40,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:40,177 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:40,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 411 transitions, 9331 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 23:29:40,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:40,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:40,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:41,117 INFO L124 PetriNetUnfolderBase]: 1714/3649 cut-off events. [2024-11-07 23:29:41,117 INFO L125 PetriNetUnfolderBase]: For 72119/72121 co-relation queries the response was YES. [2024-11-07 23:29:41,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25337 conditions, 3649 events. 1714/3649 cut-off events. For 72119/72121 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 27047 event pairs, 564 based on Foata normal form. 48/3697 useless extension candidates. Maximal degree in co-relation 24962. Up to 1204 conditions per place. [2024-11-07 23:29:41,152 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 297 selfloop transitions, 138 changer transitions 0/437 dead transitions. [2024-11-07 23:29:41,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 437 transitions, 9789 flow [2024-11-07 23:29:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:29:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 23:29:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 228 transitions. [2024-11-07 23:29:41,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2024-11-07 23:29:41,153 INFO L175 Difference]: Start difference. First operand has 392 places, 411 transitions, 9331 flow. Second operand 12 states and 228 transitions. [2024-11-07 23:29:41,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 437 transitions, 9789 flow [2024-11-07 23:29:41,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 437 transitions, 9341 flow, removed 88 selfloop flow, removed 18 redundant places. [2024-11-07 23:29:41,479 INFO L231 Difference]: Finished difference. Result has 388 places, 375 transitions, 8346 flow [2024-11-07 23:29:41,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7918, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8346, PETRI_PLACES=388, PETRI_TRANSITIONS=375} [2024-11-07 23:29:41,480 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 343 predicate places. [2024-11-07 23:29:41,481 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 375 transitions, 8346 flow [2024-11-07 23:29:41,481 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 23:29:41,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:41,481 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:41,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 23:29:41,482 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:41,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:41,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1517259303, now seen corresponding path program 8 times [2024-11-07 23:29:41,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:41,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378094469] [2024-11-07 23:29:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:41,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:41,932 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 23:29:41,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:41,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378094469] [2024-11-07 23:29:41,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378094469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:41,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:41,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:41,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671874358] [2024-11-07 23:29:41,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:41,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:41,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:41,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:41,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:41,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:41,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 375 transitions, 8346 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:41,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:41,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:41,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:43,039 INFO L124 PetriNetUnfolderBase]: 1618/3523 cut-off events. [2024-11-07 23:29:43,039 INFO L125 PetriNetUnfolderBase]: For 61140/61142 co-relation queries the response was YES. [2024-11-07 23:29:43,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23067 conditions, 3523 events. 1618/3523 cut-off events. For 61140/61142 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 26254 event pairs, 570 based on Foata normal form. 92/3613 useless extension candidates. Maximal degree in co-relation 22768. Up to 2255 conditions per place. [2024-11-07 23:29:43,073 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 360 selfloop transitions, 88 changer transitions 16/466 dead transitions. [2024-11-07 23:29:43,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 466 transitions, 10199 flow [2024-11-07 23:29:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:29:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:29:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 254 transitions. [2024-11-07 23:29:43,075 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3038277511961722 [2024-11-07 23:29:43,075 INFO L175 Difference]: Start difference. First operand has 388 places, 375 transitions, 8346 flow. Second operand 19 states and 254 transitions. [2024-11-07 23:29:43,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 466 transitions, 10199 flow [2024-11-07 23:29:43,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 466 transitions, 9921 flow, removed 24 selfloop flow, removed 9 redundant places. [2024-11-07 23:29:43,379 INFO L231 Difference]: Finished difference. Result has 399 places, 368 transitions, 8204 flow [2024-11-07 23:29:43,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8026, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8204, PETRI_PLACES=399, PETRI_TRANSITIONS=368} [2024-11-07 23:29:43,380 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 354 predicate places. [2024-11-07 23:29:43,380 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 368 transitions, 8204 flow [2024-11-07 23:29:43,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 23:29:43,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:43,380 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:43,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 23:29:43,380 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:43,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:43,380 INFO L85 PathProgramCache]: Analyzing trace with hash -877752948, now seen corresponding path program 1 times [2024-11-07 23:29:43,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:43,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307373109] [2024-11-07 23:29:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:43,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:43,841 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 23:29:43,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:43,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307373109] [2024-11-07 23:29:43,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307373109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:43,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:43,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:43,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986554629] [2024-11-07 23:29:43,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:43,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:43,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:43,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:43,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 368 transitions, 8204 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:43,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:43,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:43,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:44,716 INFO L124 PetriNetUnfolderBase]: 1579/3444 cut-off events. [2024-11-07 23:29:44,716 INFO L125 PetriNetUnfolderBase]: For 58068/58070 co-relation queries the response was YES. [2024-11-07 23:29:44,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22829 conditions, 3444 events. 1579/3444 cut-off events. For 58068/58070 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 25642 event pairs, 591 based on Foata normal form. 10/3452 useless extension candidates. Maximal degree in co-relation 22429. Up to 2736 conditions per place. [2024-11-07 23:29:44,749 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 340 selfloop transitions, 71 changer transitions 0/413 dead transitions. [2024-11-07 23:29:44,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 413 transitions, 9402 flow [2024-11-07 23:29:44,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 23:29:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 23:29:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 176 transitions. [2024-11-07 23:29:44,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-07 23:29:44,750 INFO L175 Difference]: Start difference. First operand has 399 places, 368 transitions, 8204 flow. Second operand 14 states and 176 transitions. [2024-11-07 23:29:44,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 413 transitions, 9402 flow [2024-11-07 23:29:45,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 413 transitions, 9227 flow, removed 4 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:45,119 INFO L231 Difference]: Finished difference. Result has 394 places, 371 transitions, 8264 flow [2024-11-07 23:29:45,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8029, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8264, PETRI_PLACES=394, PETRI_TRANSITIONS=371} [2024-11-07 23:29:45,120 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 349 predicate places. [2024-11-07 23:29:45,120 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 371 transitions, 8264 flow [2024-11-07 23:29:45,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:45,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:45,120 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:45,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 23:29:45,121 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:45,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:45,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2018172101, now seen corresponding path program 1 times [2024-11-07 23:29:45,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:45,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226907717] [2024-11-07 23:29:45,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:45,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:45,474 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 23:29:45,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:45,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226907717] [2024-11-07 23:29:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226907717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:45,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:45,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:45,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372254851] [2024-11-07 23:29:45,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:45,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:45,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:45,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:45,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:45,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:45,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 371 transitions, 8264 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:45,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:45,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:45,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:46,588 INFO L124 PetriNetUnfolderBase]: 1569/3436 cut-off events. [2024-11-07 23:29:46,588 INFO L125 PetriNetUnfolderBase]: For 56587/56589 co-relation queries the response was YES. [2024-11-07 23:29:46,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22669 conditions, 3436 events. 1569/3436 cut-off events. For 56587/56589 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 25570 event pairs, 566 based on Foata normal form. 10/3446 useless extension candidates. Maximal degree in co-relation 22344. Up to 2393 conditions per place. [2024-11-07 23:29:46,621 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 271 selfloop transitions, 119 changer transitions 32/424 dead transitions. [2024-11-07 23:29:46,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 424 transitions, 9338 flow [2024-11-07 23:29:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 296 transitions. [2024-11-07 23:29:46,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2803030303030303 [2024-11-07 23:29:46,623 INFO L175 Difference]: Start difference. First operand has 394 places, 371 transitions, 8264 flow. Second operand 24 states and 296 transitions. [2024-11-07 23:29:46,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 424 transitions, 9338 flow [2024-11-07 23:29:46,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 424 transitions, 9118 flow, removed 10 selfloop flow, removed 11 redundant places. [2024-11-07 23:29:46,934 INFO L231 Difference]: Finished difference. Result has 406 places, 349 transitions, 7747 flow [2024-11-07 23:29:46,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7971, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7747, PETRI_PLACES=406, PETRI_TRANSITIONS=349} [2024-11-07 23:29:46,935 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 361 predicate places. [2024-11-07 23:29:46,935 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 349 transitions, 7747 flow [2024-11-07 23:29:46,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:46,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:46,936 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:46,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 23:29:46,936 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:46,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:46,936 INFO L85 PathProgramCache]: Analyzing trace with hash -889051222, now seen corresponding path program 2 times [2024-11-07 23:29:46,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:46,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070265811] [2024-11-07 23:29:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:46,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:47,339 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 23:29:47,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:47,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070265811] [2024-11-07 23:29:47,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070265811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:47,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:47,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:47,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104034909] [2024-11-07 23:29:47,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:47,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:47,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:47,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:47,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 349 transitions, 7747 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:47,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:47,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:47,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:48,258 INFO L124 PetriNetUnfolderBase]: 1509/3306 cut-off events. [2024-11-07 23:29:48,258 INFO L125 PetriNetUnfolderBase]: For 54323/54325 co-relation queries the response was YES. [2024-11-07 23:29:48,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21790 conditions, 3306 events. 1509/3306 cut-off events. For 54323/54325 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 24469 event pairs, 580 based on Foata normal form. 10/3314 useless extension candidates. Maximal degree in co-relation 21687. Up to 2736 conditions per place. [2024-11-07 23:29:48,289 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 326 selfloop transitions, 63 changer transitions 2/393 dead transitions. [2024-11-07 23:29:48,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 393 transitions, 8789 flow [2024-11-07 23:29:48,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:29:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:29:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 203 transitions. [2024-11-07 23:29:48,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2713903743315508 [2024-11-07 23:29:48,290 INFO L175 Difference]: Start difference. First operand has 406 places, 349 transitions, 7747 flow. Second operand 17 states and 203 transitions. [2024-11-07 23:29:48,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 393 transitions, 8789 flow [2024-11-07 23:29:48,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 393 transitions, 8352 flow, removed 33 selfloop flow, removed 29 redundant places. [2024-11-07 23:29:48,610 INFO L231 Difference]: Finished difference. Result has 384 places, 348 transitions, 7415 flow [2024-11-07 23:29:48,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7289, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7415, PETRI_PLACES=384, PETRI_TRANSITIONS=348} [2024-11-07 23:29:48,611 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 339 predicate places. [2024-11-07 23:29:48,611 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 348 transitions, 7415 flow [2024-11-07 23:29:48,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:48,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:48,611 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:48,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 23:29:48,612 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:48,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash -877752947, now seen corresponding path program 2 times [2024-11-07 23:29:48,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:48,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468262275] [2024-11-07 23:29:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:48,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:48,988 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 23:29:48,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:48,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468262275] [2024-11-07 23:29:48,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468262275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:48,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:48,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:48,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107463099] [2024-11-07 23:29:48,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:48,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:48,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:48,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:48,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:48,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:48,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 348 transitions, 7415 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:48,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:48,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:48,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:50,050 INFO L124 PetriNetUnfolderBase]: 1489/3288 cut-off events. [2024-11-07 23:29:50,050 INFO L125 PetriNetUnfolderBase]: For 47497/47499 co-relation queries the response was YES. [2024-11-07 23:29:50,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21330 conditions, 3288 events. 1489/3288 cut-off events. For 47497/47499 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 24353 event pairs, 543 based on Foata normal form. 18/3304 useless extension candidates. Maximal degree in co-relation 21236. Up to 2375 conditions per place. [2024-11-07 23:29:50,080 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 205 selfloop transitions, 130 changer transitions 50/387 dead transitions. [2024-11-07 23:29:50,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 387 transitions, 8336 flow [2024-11-07 23:29:50,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 23:29:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-07 23:29:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 279 transitions. [2024-11-07 23:29:50,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24388111888111888 [2024-11-07 23:29:50,081 INFO L175 Difference]: Start difference. First operand has 384 places, 348 transitions, 7415 flow. Second operand 26 states and 279 transitions. [2024-11-07 23:29:50,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 387 transitions, 8336 flow [2024-11-07 23:29:50,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 387 transitions, 7961 flow, removed 8 selfloop flow, removed 22 redundant places. [2024-11-07 23:29:50,345 INFO L231 Difference]: Finished difference. Result has 380 places, 312 transitions, 6730 flow [2024-11-07 23:29:50,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6974, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6730, PETRI_PLACES=380, PETRI_TRANSITIONS=312} [2024-11-07 23:29:50,346 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 335 predicate places. [2024-11-07 23:29:50,346 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 312 transitions, 6730 flow [2024-11-07 23:29:50,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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 23:29:50,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:50,346 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:50,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 23:29:50,346 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:50,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:50,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1573125196, now seen corresponding path program 1 times [2024-11-07 23:29:50,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:50,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848352828] [2024-11-07 23:29:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:50,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:50,761 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 23:29:50,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848352828] [2024-11-07 23:29:50,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848352828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:50,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:50,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:29:50,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9916045] [2024-11-07 23:29:50,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:50,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:29:50,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:50,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:29:50,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:29:50,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:50,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 312 transitions, 6730 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:50,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:50,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:50,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:52,303 INFO L124 PetriNetUnfolderBase]: 1494/3305 cut-off events. [2024-11-07 23:29:52,304 INFO L125 PetriNetUnfolderBase]: For 49827/49829 co-relation queries the response was YES. [2024-11-07 23:29:52,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21741 conditions, 3305 events. 1494/3305 cut-off events. For 49827/49829 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 24668 event pairs, 346 based on Foata normal form. 26/3331 useless extension candidates. Maximal degree in co-relation 21654. Up to 1855 conditions per place. [2024-11-07 23:29:52,333 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 338 selfloop transitions, 125 changer transitions 2/467 dead transitions. [2024-11-07 23:29:52,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 467 transitions, 9243 flow [2024-11-07 23:29:52,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 23:29:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-07 23:29:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 365 transitions. [2024-11-07 23:29:52,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2962662337662338 [2024-11-07 23:29:52,334 INFO L175 Difference]: Start difference. First operand has 380 places, 312 transitions, 6730 flow. Second operand 28 states and 365 transitions. [2024-11-07 23:29:52,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 467 transitions, 9243 flow [2024-11-07 23:29:52,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 467 transitions, 8529 flow, removed 29 selfloop flow, removed 35 redundant places. [2024-11-07 23:29:52,572 INFO L231 Difference]: Finished difference. Result has 353 places, 335 transitions, 6809 flow [2024-11-07 23:29:52,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6116, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=6809, PETRI_PLACES=353, PETRI_TRANSITIONS=335} [2024-11-07 23:29:52,573 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 308 predicate places. [2024-11-07 23:29:52,573 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 335 transitions, 6809 flow [2024-11-07 23:29:52,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:52,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:52,573 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:52,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 23:29:52,574 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:52,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:52,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1573125195, now seen corresponding path program 1 times [2024-11-07 23:29:52,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:52,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494911436] [2024-11-07 23:29:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:52,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:52,994 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 23:29:52,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:52,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494911436] [2024-11-07 23:29:52,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494911436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:52,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:52,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:29:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129168455] [2024-11-07 23:29:52,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:52,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:29:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:52,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:29:52,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:29:52,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:52,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 335 transitions, 6809 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:52,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:52,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:52,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:54,390 INFO L124 PetriNetUnfolderBase]: 1472/3273 cut-off events. [2024-11-07 23:29:54,391 INFO L125 PetriNetUnfolderBase]: For 47386/47388 co-relation queries the response was YES. [2024-11-07 23:29:54,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21333 conditions, 3273 events. 1472/3273 cut-off events. For 47386/47388 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 24458 event pairs, 433 based on Foata normal form. 26/3299 useless extension candidates. Maximal degree in co-relation 21249. Up to 2091 conditions per place. [2024-11-07 23:29:54,420 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 334 selfloop transitions, 110 changer transitions 10/456 dead transitions. [2024-11-07 23:29:54,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 456 transitions, 8776 flow [2024-11-07 23:29:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 23:29:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-07 23:29:54,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 350 transitions. [2024-11-07 23:29:54,422 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2946127946127946 [2024-11-07 23:29:54,422 INFO L175 Difference]: Start difference. First operand has 353 places, 335 transitions, 6809 flow. Second operand 27 states and 350 transitions. [2024-11-07 23:29:54,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 456 transitions, 8776 flow [2024-11-07 23:29:54,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 456 transitions, 8559 flow, removed 56 selfloop flow, removed 13 redundant places. [2024-11-07 23:29:54,645 INFO L231 Difference]: Finished difference. Result has 368 places, 332 transitions, 6803 flow [2024-11-07 23:29:54,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6556, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=6803, PETRI_PLACES=368, PETRI_TRANSITIONS=332} [2024-11-07 23:29:54,646 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 323 predicate places. [2024-11-07 23:29:54,646 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 332 transitions, 6803 flow [2024-11-07 23:29:54,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:54,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:54,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:54,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 23:29:54,646 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:54,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:54,646 INFO L85 PathProgramCache]: Analyzing trace with hash 82186034, now seen corresponding path program 2 times [2024-11-07 23:29:54,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:54,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659434834] [2024-11-07 23:29:54,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:54,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:55,020 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 23:29:55,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659434834] [2024-11-07 23:29:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659434834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:55,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:55,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:29:55,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466689550] [2024-11-07 23:29:55,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:55,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:29:55,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:55,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:29:55,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:29:55,021 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:55,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 332 transitions, 6803 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:55,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:55,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:55,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:56,237 INFO L124 PetriNetUnfolderBase]: 1456/3267 cut-off events. [2024-11-07 23:29:56,237 INFO L125 PetriNetUnfolderBase]: For 46557/46559 co-relation queries the response was YES. [2024-11-07 23:29:56,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20973 conditions, 3267 events. 1456/3267 cut-off events. For 46557/46559 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 24606 event pairs, 383 based on Foata normal form. 26/3293 useless extension candidates. Maximal degree in co-relation 20888. Up to 1933 conditions per place. [2024-11-07 23:29:56,266 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 310 selfloop transitions, 121 changer transitions 2/435 dead transitions. [2024-11-07 23:29:56,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 435 transitions, 8545 flow [2024-11-07 23:29:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 310 transitions. [2024-11-07 23:29:56,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2935606060606061 [2024-11-07 23:29:56,268 INFO L175 Difference]: Start difference. First operand has 368 places, 332 transitions, 6803 flow. Second operand 24 states and 310 transitions. [2024-11-07 23:29:56,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 435 transitions, 8545 flow [2024-11-07 23:29:56,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 435 transitions, 8325 flow, removed 9 selfloop flow, removed 25 redundant places. [2024-11-07 23:29:56,593 INFO L231 Difference]: Finished difference. Result has 364 places, 332 transitions, 6891 flow [2024-11-07 23:29:56,593 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6504, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=6891, PETRI_PLACES=364, PETRI_TRANSITIONS=332} [2024-11-07 23:29:56,594 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 319 predicate places. [2024-11-07 23:29:56,594 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 332 transitions, 6891 flow [2024-11-07 23:29:56,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:56,594 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:56,594 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:56,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 23:29:56,594 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:56,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1637941609, now seen corresponding path program 2 times [2024-11-07 23:29:56,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:56,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233497058] [2024-11-07 23:29:56,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:56,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:56,929 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 23:29:56,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:56,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233497058] [2024-11-07 23:29:56,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233497058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:56,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:56,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:29:56,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143765768] [2024-11-07 23:29:56,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:56,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:29:56,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:56,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:29:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:29:56,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-07 23:29:56,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 332 transitions, 6891 flow. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:56,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:56,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-07 23:29:56,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:57,982 INFO L124 PetriNetUnfolderBase]: 1506/3379 cut-off events. [2024-11-07 23:29:57,982 INFO L125 PetriNetUnfolderBase]: For 49363/49365 co-relation queries the response was YES. [2024-11-07 23:29:58,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22199 conditions, 3379 events. 1506/3379 cut-off events. For 49363/49365 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 25543 event pairs, 485 based on Foata normal form. 26/3405 useless extension candidates. Maximal degree in co-relation 22115. Up to 2079 conditions per place. [2024-11-07 23:29:58,013 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 311 selfloop transitions, 121 changer transitions 10/444 dead transitions. [2024-11-07 23:29:58,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 444 transitions, 8980 flow [2024-11-07 23:29:58,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:29:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 23:29:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 269 transitions. [2024-11-07 23:29:58,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30568181818181817 [2024-11-07 23:29:58,014 INFO L175 Difference]: Start difference. First operand has 364 places, 332 transitions, 6891 flow. Second operand 20 states and 269 transitions. [2024-11-07 23:29:58,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 444 transitions, 8980 flow [2024-11-07 23:29:58,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 444 transitions, 8762 flow, removed 24 selfloop flow, removed 19 redundant places. [2024-11-07 23:29:58,265 INFO L231 Difference]: Finished difference. Result has 365 places, 341 transitions, 7279 flow [2024-11-07 23:29:58,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6589, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7279, PETRI_PLACES=365, PETRI_TRANSITIONS=341} [2024-11-07 23:29:58,266 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 320 predicate places. [2024-11-07 23:29:58,266 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 341 transitions, 7279 flow [2024-11-07 23:29:58,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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 23:29:58,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:58,266 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:58,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-07 23:29:58,266 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:58,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:58,266 INFO L85 PathProgramCache]: Analyzing trace with hash 813277124, now seen corresponding path program 1 times [2024-11-07 23:29:58,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:58,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925666184] [2024-11-07 23:29:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:58,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat