./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 551b0097 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-?-551b009-m [2025-01-10 06:40:19,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:40:19,674 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:40:19,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:40:19,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:40:19,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:40:19,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:40:19,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:40:19,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:40:19,697 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:40:19,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:40:19,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:40:19,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:40:19,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:40:19,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:40:19,699 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:40:19,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:40:19,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:40:19,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:40:19,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:40:19,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:40:19,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:40:19,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:40:19,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:40:19,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:40:19,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:40:19,701 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 [2025-01-10 06:40:19,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:40:19,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:40:19,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:40:19,941 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:40:19,941 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:40:19,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2025-01-10 06:40:21,128 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2995e2ba5/1403b006c36c4ffc98a2235f383a3255/FLAGa56d4b28d [2025-01-10 06:40:21,427 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:40:21,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2025-01-10 06:40:21,451 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2995e2ba5/1403b006c36c4ffc98a2235f383a3255/FLAGa56d4b28d [2025-01-10 06:40:21,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2995e2ba5/1403b006c36c4ffc98a2235f383a3255 [2025-01-10 06:40:21,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:40:21,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:40:21,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:40:21,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:40:21,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:40:21,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:40:21" (1/1) ... [2025-01-10 06:40:21,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11618f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:21, skipping insertion in model container [2025-01-10 06:40:21,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:40:21" (1/1) ... [2025-01-10 06:40:21,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:40:22,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:40:22,013 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:40:22,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:40:22,091 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:40:22,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22 WrapperNode [2025-01-10 06:40:22,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:40:22,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:40:22,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:40:22,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:40:22,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,133 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2025-01-10 06:40:22,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:40:22,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:40:22,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:40:22,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:40:22,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,153 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 15, 2]. 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, 8, 2]. [2025-01-10 06:40:22,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:40:22,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:40:22,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:40:22,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:40:22,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (1/1) ... [2025-01-10 06:40:22,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:40:22,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:40:22,216 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) [2025-01-10 06:40:22,222 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 [2025-01-10 06:40:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-01-10 06:40:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-01-10 06:40:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:40:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:40:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:40:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:40:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:40:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:40:22,250 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:40:22,490 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:40:22,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:40:22,773 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:40:22,773 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:40:22,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:40:22,921 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:40:22,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:40:22 BoogieIcfgContainer [2025-01-10 06:40:22,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:40:22,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:40:22,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:40:22,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:40:22,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:40:21" (1/3) ... [2025-01-10 06:40:22,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b07b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:40:22, skipping insertion in model container [2025-01-10 06:40:22,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:40:22" (2/3) ... [2025-01-10 06:40:22,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b07b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:40:22, skipping insertion in model container [2025-01-10 06:40:22,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:40:22" (3/3) ... [2025-01-10 06:40:22,932 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2025-01-10 06:40:22,962 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:40:22,963 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_5-container_of.i that has 2 procedures, 31 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-01-10 06:40:22,963 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:40:23,007 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-10 06:40:23,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2025-01-10 06:40:23,056 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2025-01-10 06:40:23,062 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-10 06:40:23,064 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. [2025-01-10 06:40:23,064 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2025-01-10 06:40:23,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2025-01-10 06:40:23,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:40:23,089 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;@2a123b12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:40:23,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-01-10 06:40:23,095 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:40:23,098 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-01-10 06:40:23,098 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:40:23,098 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:23,098 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:23,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:23,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:23,104 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2025-01-10 06:40:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:23,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343958722] [2025-01-10 06:40:23,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:23,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:23,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 06:40:23,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 06:40:23,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:23,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:23,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:23,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343958722] [2025-01-10 06:40:23,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343958722] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:23,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:23,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 06:40:23,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145038922] [2025-01-10 06:40:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:23,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:40:23,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:23,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:40:23,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:40:23,855 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:23,857 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) [2025-01-10 06:40:23,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:23,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:23,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:24,436 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2025-01-10 06:40:24,437 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2025-01-10 06:40:24,442 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. [2025-01-10 06:40:24,462 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2025-01-10 06:40:24,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2025-01-10 06:40:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:40:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-01-10 06:40:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2025-01-10 06:40:24,473 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2025-01-10 06:40:24,474 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2025-01-10 06:40:24,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2025-01-10 06:40:24,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-10 06:40:24,482 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2025-01-10 06:40:24,484 INFO L262 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} [2025-01-10 06:40:24,489 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2025-01-10 06:40:24,489 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2025-01-10 06:40:24,489 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) [2025-01-10 06:40:24,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:24,490 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:24,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:40:24,490 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:24,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:24,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2025-01-10 06:40:24,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:24,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220006145] [2025-01-10 06:40:24,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:24,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:24,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:40:24,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:40:24,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:24,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:24,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:24,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220006145] [2025-01-10 06:40:24,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220006145] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:24,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:24,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 06:40:24,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991832629] [2025-01-10 06:40:24,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:24,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:40:24,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:24,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:40:24,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:40:24,847 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:24,847 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) [2025-01-10 06:40:24,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:24,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:24,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:25,364 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2025-01-10 06:40:25,364 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2025-01-10 06:40:25,374 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. [2025-01-10 06:40:25,385 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2025-01-10 06:40:25,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2025-01-10 06:40:25,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:40:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-01-10 06:40:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2025-01-10 06:40:25,389 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2025-01-10 06:40:25,389 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2025-01-10 06:40:25,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2025-01-10 06:40:25,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:40:25,400 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2025-01-10 06:40:25,400 INFO L262 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} [2025-01-10 06:40:25,401 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2025-01-10 06:40:25,402 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2025-01-10 06:40:25,402 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) [2025-01-10 06:40:25,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:25,403 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:25,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:40:25,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:25,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2025-01-10 06:40:25,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:25,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173370549] [2025-01-10 06:40:25,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:25,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:25,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:25,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:25,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:25,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173370549] [2025-01-10 06:40:25,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173370549] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:25,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:25,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 06:40:25,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541286793] [2025-01-10 06:40:25,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:25,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:40:25,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:25,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:40:25,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:40:25,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:25,983 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) [2025-01-10 06:40:25,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:25,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:25,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:26,977 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2025-01-10 06:40:26,977 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2025-01-10 06:40:26,983 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. [2025-01-10 06:40:26,997 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2025-01-10 06:40:26,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2025-01-10 06:40:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 06:40:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-01-10 06:40:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2025-01-10 06:40:26,999 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2025-01-10 06:40:26,999 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2025-01-10 06:40:26,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2025-01-10 06:40:27,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-10 06:40:27,017 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2025-01-10 06:40:27,018 INFO L262 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} [2025-01-10 06:40:27,018 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2025-01-10 06:40:27,018 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2025-01-10 06:40:27,019 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) [2025-01-10 06:40:27,019 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:27,019 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:27,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:40:27,019 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:27,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2025-01-10 06:40:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154804947] [2025-01-10 06:40:27,020 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:40:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:27,038 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:27,047 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:27,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:40:27,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:27,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:27,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154804947] [2025-01-10 06:40:27,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154804947] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:27,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:27,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 06:40:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368871270] [2025-01-10 06:40:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:27,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:40:27,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:27,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:40:27,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:40:27,476 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:27,476 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) [2025-01-10 06:40:27,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:27,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:27,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:28,650 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2025-01-10 06:40:28,650 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2025-01-10 06:40:28,660 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. [2025-01-10 06:40:28,676 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2025-01-10 06:40:28,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2025-01-10 06:40:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 06:40:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-01-10 06:40:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2025-01-10 06:40:28,678 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2025-01-10 06:40:28,678 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2025-01-10 06:40:28,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2025-01-10 06:40:28,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2025-01-10 06:40:28,715 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2025-01-10 06:40:28,716 INFO L262 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} [2025-01-10 06:40:28,716 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2025-01-10 06:40:28,716 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2025-01-10 06:40:28,717 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) [2025-01-10 06:40:28,717 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:28,717 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:28,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:40:28,717 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:28,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:28,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2025-01-10 06:40:28,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:28,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990931079] [2025-01-10 06:40:28,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:28,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:28,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:28,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:28,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:28,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:29,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:29,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990931079] [2025-01-10 06:40:29,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990931079] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:29,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:29,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 06:40:29,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785746330] [2025-01-10 06:40:29,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:29,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:40:29,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:29,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:40:29,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:40:29,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:29,032 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) [2025-01-10 06:40:29,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:29,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:29,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:29,954 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2025-01-10 06:40:29,955 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2025-01-10 06:40:29,969 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. [2025-01-10 06:40:29,990 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2025-01-10 06:40:29,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2025-01-10 06:40:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 06:40:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-01-10 06:40:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2025-01-10 06:40:29,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2025-01-10 06:40:29,991 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2025-01-10 06:40:29,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2025-01-10 06:40:30,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2025-01-10 06:40:30,061 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2025-01-10 06:40:30,061 INFO L262 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} [2025-01-10 06:40:30,062 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2025-01-10 06:40:30,062 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2025-01-10 06:40:30,062 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) [2025-01-10 06:40:30,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:30,062 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:30,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:40:30,063 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:30,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2025-01-10 06:40:30,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:30,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856556973] [2025-01-10 06:40:30,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:30,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:30,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:30,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:30,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:30,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:30,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856556973] [2025-01-10 06:40:30,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856556973] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:30,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:30,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:40:30,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911155267] [2025-01-10 06:40:30,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:30,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:40:30,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:30,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:40:30,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:40:30,130 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2025-01-10 06:40:30,130 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) [2025-01-10 06:40:30,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:30,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2025-01-10 06:40:30,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:30,594 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2025-01-10 06:40:30,594 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2025-01-10 06:40:30,607 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. [2025-01-10 06:40:30,618 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2025-01-10 06:40:30,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2025-01-10 06:40:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:40:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:40:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2025-01-10 06:40:30,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2025-01-10 06:40:30,619 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2025-01-10 06:40:30,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2025-01-10 06:40:30,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2025-01-10 06:40:30,682 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2025-01-10 06:40:30,683 INFO L262 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} [2025-01-10 06:40:30,683 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2025-01-10 06:40:30,683 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2025-01-10 06:40:30,683 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) [2025-01-10 06:40:30,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:30,683 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:30,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:40:30,684 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:30,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2025-01-10 06:40:30,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:30,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579685852] [2025-01-10 06:40:30,684 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:40:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:30,698 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:30,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:30,704 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:40:30,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:30,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:30,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:30,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579685852] [2025-01-10 06:40:30,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579685852] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:30,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:30,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:40:30,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134978899] [2025-01-10 06:40:30,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:30,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:40:30,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:30,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:40:30,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:40:30,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:30,910 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) [2025-01-10 06:40:30,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:30,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:30,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:31,601 INFO L124 PetriNetUnfolderBase]: 1951/3670 cut-off events. [2025-01-10 06:40:31,601 INFO L125 PetriNetUnfolderBase]: For 10362/10364 co-relation queries the response was YES. [2025-01-10 06:40:31,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13673 conditions, 3670 events. 1951/3670 cut-off events. For 10362/10364 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 23905 event pairs, 228 based on Foata normal form. 44/3502 useless extension candidates. Maximal degree in co-relation 13289. Up to 1161 conditions per place. [2025-01-10 06:40:31,625 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 218 selfloop transitions, 82 changer transitions 9/311 dead transitions. [2025-01-10 06:40:31,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 311 transitions, 3104 flow [2025-01-10 06:40:31,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 06:40:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-01-10 06:40:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 262 transitions. [2025-01-10 06:40:31,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4253246753246753 [2025-01-10 06:40:31,627 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 14 states and 262 transitions. [2025-01-10 06:40:31,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 311 transitions, 3104 flow [2025-01-10 06:40:31,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 311 transitions, 2823 flow, removed 14 selfloop flow, removed 9 redundant places. [2025-01-10 06:40:31,672 INFO L231 Difference]: Finished difference. Result has 134 places, 178 transitions, 1668 flow [2025-01-10 06:40:31,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1174, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1668, PETRI_PLACES=134, PETRI_TRANSITIONS=178} [2025-01-10 06:40:31,674 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 89 predicate places. [2025-01-10 06:40:31,674 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 178 transitions, 1668 flow [2025-01-10 06:40:31,674 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) [2025-01-10 06:40:31,675 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:31,675 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:31,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:40:31,676 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:31,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:31,676 INFO L85 PathProgramCache]: Analyzing trace with hash -88685267, now seen corresponding path program 3 times [2025-01-10 06:40:31,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:31,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654471901] [2025-01-10 06:40:31,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:40:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:31,691 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:31,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:31,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:40:31,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:31,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:31,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654471901] [2025-01-10 06:40:31,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654471901] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:31,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:31,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 06:40:31,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048100532] [2025-01-10 06:40:31,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:31,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:40:31,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:31,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:40:31,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:40:31,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:31,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 178 transitions, 1668 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) [2025-01-10 06:40:31,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:31,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:31,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:32,853 INFO L124 PetriNetUnfolderBase]: 1904/3695 cut-off events. [2025-01-10 06:40:32,853 INFO L125 PetriNetUnfolderBase]: For 10774/10776 co-relation queries the response was YES. [2025-01-10 06:40:32,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14644 conditions, 3695 events. 1904/3695 cut-off events. For 10774/10776 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 24163 event pairs, 777 based on Foata normal form. 72/3585 useless extension candidates. Maximal degree in co-relation 14220. Up to 1895 conditions per place. [2025-01-10 06:40:32,880 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 189 selfloop transitions, 81 changer transitions 24/296 dead transitions. [2025-01-10 06:40:32,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 296 transitions, 3131 flow [2025-01-10 06:40:32,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 06:40:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-01-10 06:40:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 271 transitions. [2025-01-10 06:40:32,883 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3241626794258373 [2025-01-10 06:40:32,883 INFO L175 Difference]: Start difference. First operand has 134 places, 178 transitions, 1668 flow. Second operand 19 states and 271 transitions. [2025-01-10 06:40:32,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 296 transitions, 3131 flow [2025-01-10 06:40:32,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 296 transitions, 3065 flow, removed 19 selfloop flow, removed 4 redundant places. [2025-01-10 06:40:32,934 INFO L231 Difference]: Finished difference. Result has 156 places, 196 transitions, 2053 flow [2025-01-10 06:40:32,936 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1622, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2053, PETRI_PLACES=156, PETRI_TRANSITIONS=196} [2025-01-10 06:40:32,937 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 111 predicate places. [2025-01-10 06:40:32,937 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 196 transitions, 2053 flow [2025-01-10 06:40:32,937 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) [2025-01-10 06:40:32,937 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:32,937 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:32,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:40:32,937 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:32,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:32,937 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2025-01-10 06:40:32,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:32,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059668491] [2025-01-10 06:40:32,937 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:40:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:32,952 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-01-10 06:40:32,960 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 06:40:32,960 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:40:32,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:33,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:33,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059668491] [2025-01-10 06:40:33,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059668491] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:33,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:33,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 06:40:33,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962112766] [2025-01-10 06:40:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:33,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:40:33,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:33,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:40:33,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:40:33,421 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:33,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 196 transitions, 2053 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) [2025-01-10 06:40:33,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:33,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:33,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:34,296 INFO L124 PetriNetUnfolderBase]: 1405/2716 cut-off events. [2025-01-10 06:40:34,296 INFO L125 PetriNetUnfolderBase]: For 9455/9457 co-relation queries the response was YES. [2025-01-10 06:40:34,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11889 conditions, 2716 events. 1405/2716 cut-off events. For 9455/9457 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 16684 event pairs, 570 based on Foata normal form. 38/2584 useless extension candidates. Maximal degree in co-relation 11626. Up to 1217 conditions per place. [2025-01-10 06:40:34,313 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 174 selfloop transitions, 95 changer transitions 8/279 dead transitions. [2025-01-10 06:40:34,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 279 transitions, 3145 flow [2025-01-10 06:40:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 06:40:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-01-10 06:40:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 282 transitions. [2025-01-10 06:40:34,318 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3051948051948052 [2025-01-10 06:40:34,318 INFO L175 Difference]: Start difference. First operand has 156 places, 196 transitions, 2053 flow. Second operand 21 states and 282 transitions. [2025-01-10 06:40:34,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 279 transitions, 3145 flow [2025-01-10 06:40:34,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 279 transitions, 3006 flow, removed 31 selfloop flow, removed 7 redundant places. [2025-01-10 06:40:34,364 INFO L231 Difference]: Finished difference. Result has 173 places, 210 transitions, 2332 flow [2025-01-10 06:40:34,364 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2332, PETRI_PLACES=173, PETRI_TRANSITIONS=210} [2025-01-10 06:40:34,365 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 128 predicate places. [2025-01-10 06:40:34,365 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 210 transitions, 2332 flow [2025-01-10 06:40:34,365 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) [2025-01-10 06:40:34,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:34,365 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:34,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 06:40:34,366 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:34,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:34,366 INFO L85 PathProgramCache]: Analyzing trace with hash -229057474, now seen corresponding path program 1 times [2025-01-10 06:40:34,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:34,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106812593] [2025-01-10 06:40:34,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:34,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:34,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:34,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:34,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:34,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:34,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:34,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106812593] [2025-01-10 06:40:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106812593] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:34,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:34,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:34,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617773105] [2025-01-10 06:40:34,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:34,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:34,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:34,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:34,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:34,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 210 transitions, 2332 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) [2025-01-10 06:40:34,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:34,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:34,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:35,760 INFO L124 PetriNetUnfolderBase]: 1528/2953 cut-off events. [2025-01-10 06:40:35,761 INFO L125 PetriNetUnfolderBase]: For 11500/11506 co-relation queries the response was YES. [2025-01-10 06:40:35,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13291 conditions, 2953 events. 1528/2953 cut-off events. For 11500/11506 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 18759 event pairs, 615 based on Foata normal form. 6/2807 useless extension candidates. Maximal degree in co-relation 13007. Up to 1674 conditions per place. [2025-01-10 06:40:35,781 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 230 selfloop transitions, 84 changer transitions 7/323 dead transitions. [2025-01-10 06:40:35,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 323 transitions, 3669 flow [2025-01-10 06:40:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 06:40:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-01-10 06:40:35,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2025-01-10 06:40:35,783 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2025-01-10 06:40:35,783 INFO L175 Difference]: Start difference. First operand has 173 places, 210 transitions, 2332 flow. Second operand 20 states and 285 transitions. [2025-01-10 06:40:35,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 323 transitions, 3669 flow [2025-01-10 06:40:35,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 323 transitions, 3591 flow, removed 14 selfloop flow, removed 7 redundant places. [2025-01-10 06:40:35,839 INFO L231 Difference]: Finished difference. Result has 189 places, 223 transitions, 2627 flow [2025-01-10 06:40:35,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2260, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2627, PETRI_PLACES=189, PETRI_TRANSITIONS=223} [2025-01-10 06:40:35,840 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 144 predicate places. [2025-01-10 06:40:35,840 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 223 transitions, 2627 flow [2025-01-10 06:40:35,840 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) [2025-01-10 06:40:35,840 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:35,840 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:35,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 06:40:35,840 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:35,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:35,841 INFO L85 PathProgramCache]: Analyzing trace with hash -997541055, now seen corresponding path program 1 times [2025-01-10 06:40:35,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:35,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55976923] [2025-01-10 06:40:35,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:35,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:35,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:35,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:35,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:35,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:36,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:36,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55976923] [2025-01-10 06:40:36,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55976923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:36,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:36,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:36,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243128728] [2025-01-10 06:40:36,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:36,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:36,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:36,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:36,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:36,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:36,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 223 transitions, 2627 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) [2025-01-10 06:40:36,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:36,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:36,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:37,105 INFO L124 PetriNetUnfolderBase]: 1459/2845 cut-off events. [2025-01-10 06:40:37,105 INFO L125 PetriNetUnfolderBase]: For 15114/15120 co-relation queries the response was YES. [2025-01-10 06:40:37,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13373 conditions, 2845 events. 1459/2845 cut-off events. For 15114/15120 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 18028 event pairs, 642 based on Foata normal form. 56/2845 useless extension candidates. Maximal degree in co-relation 13082. Up to 1752 conditions per place. [2025-01-10 06:40:37,125 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 209 selfloop transitions, 81 changer transitions 12/304 dead transitions. [2025-01-10 06:40:37,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 304 transitions, 3686 flow [2025-01-10 06:40:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 06:40:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-01-10 06:40:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2025-01-10 06:40:37,126 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3315508021390374 [2025-01-10 06:40:37,126 INFO L175 Difference]: Start difference. First operand has 189 places, 223 transitions, 2627 flow. Second operand 17 states and 248 transitions. [2025-01-10 06:40:37,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 304 transitions, 3686 flow [2025-01-10 06:40:37,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 304 transitions, 3558 flow, removed 9 selfloop flow, removed 9 redundant places. [2025-01-10 06:40:37,183 INFO L231 Difference]: Finished difference. Result has 197 places, 221 transitions, 2658 flow [2025-01-10 06:40:37,183 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2499, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2658, PETRI_PLACES=197, PETRI_TRANSITIONS=221} [2025-01-10 06:40:37,184 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 152 predicate places. [2025-01-10 06:40:37,184 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 221 transitions, 2658 flow [2025-01-10 06:40:37,184 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) [2025-01-10 06:40:37,184 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:37,184 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:37,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 06:40:37,184 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:37,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:37,184 INFO L85 PathProgramCache]: Analyzing trace with hash -585472833, now seen corresponding path program 1 times [2025-01-10 06:40:37,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:37,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646213387] [2025-01-10 06:40:37,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:37,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:37,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:37,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:37,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:37,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646213387] [2025-01-10 06:40:37,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646213387] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:37,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:37,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:40:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997772474] [2025-01-10 06:40:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:37,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:40:37,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:37,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:40:37,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:40:37,512 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:37,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 221 transitions, 2658 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) [2025-01-10 06:40:37,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:37,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:37,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:38,288 INFO L124 PetriNetUnfolderBase]: 1443/2838 cut-off events. [2025-01-10 06:40:38,289 INFO L125 PetriNetUnfolderBase]: For 16168/16170 co-relation queries the response was YES. [2025-01-10 06:40:38,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13495 conditions, 2838 events. 1443/2838 cut-off events. For 16168/16170 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 17944 event pairs, 683 based on Foata normal form. 2/2808 useless extension candidates. Maximal degree in co-relation 13314. Up to 1084 conditions per place. [2025-01-10 06:40:38,308 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 223 selfloop transitions, 102 changer transitions 6/333 dead transitions. [2025-01-10 06:40:38,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 333 transitions, 4075 flow [2025-01-10 06:40:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 06:40:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-01-10 06:40:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2025-01-10 06:40:38,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30237154150197626 [2025-01-10 06:40:38,311 INFO L175 Difference]: Start difference. First operand has 197 places, 221 transitions, 2658 flow. Second operand 23 states and 306 transitions. [2025-01-10 06:40:38,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 333 transitions, 4075 flow [2025-01-10 06:40:38,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 333 transitions, 3930 flow, removed 4 selfloop flow, removed 15 redundant places. [2025-01-10 06:40:38,371 INFO L231 Difference]: Finished difference. Result has 207 places, 233 transitions, 2947 flow [2025-01-10 06:40:38,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2524, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2947, PETRI_PLACES=207, PETRI_TRANSITIONS=233} [2025-01-10 06:40:38,372 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 162 predicate places. [2025-01-10 06:40:38,372 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 233 transitions, 2947 flow [2025-01-10 06:40:38,372 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) [2025-01-10 06:40:38,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:38,372 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:38,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 06:40:38,372 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:38,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:38,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1565949478, now seen corresponding path program 1 times [2025-01-10 06:40:38,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:38,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837310692] [2025-01-10 06:40:38,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:40:38,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:38,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:38,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:38,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:38,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:38,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:38,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837310692] [2025-01-10 06:40:38,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837310692] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:38,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:38,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 06:40:38,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023319181] [2025-01-10 06:40:38,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:38,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 06:40:38,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:38,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 06:40:38,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:40:38,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:38,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 233 transitions, 2947 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) [2025-01-10 06:40:38,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:38,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:38,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:39,425 INFO L124 PetriNetUnfolderBase]: 1615/3180 cut-off events. [2025-01-10 06:40:39,425 INFO L125 PetriNetUnfolderBase]: For 19928/19930 co-relation queries the response was YES. [2025-01-10 06:40:39,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15200 conditions, 3180 events. 1615/3180 cut-off events. For 19928/19930 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20930 event pairs, 578 based on Foata normal form. 26/3206 useless extension candidates. Maximal degree in co-relation 14521. Up to 988 conditions per place. [2025-01-10 06:40:39,448 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 209 selfloop transitions, 100 changer transitions 32/343 dead transitions. [2025-01-10 06:40:39,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 343 transitions, 4349 flow [2025-01-10 06:40:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 06:40:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-01-10 06:40:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 279 transitions. [2025-01-10 06:40:39,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2025-01-10 06:40:39,450 INFO L175 Difference]: Start difference. First operand has 207 places, 233 transitions, 2947 flow. Second operand 18 states and 279 transitions. [2025-01-10 06:40:39,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 343 transitions, 4349 flow [2025-01-10 06:40:39,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 343 transitions, 4200 flow, removed 4 selfloop flow, removed 14 redundant places. [2025-01-10 06:40:39,524 INFO L231 Difference]: Finished difference. Result has 210 places, 232 transitions, 2961 flow [2025-01-10 06:40:39,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2781, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2961, PETRI_PLACES=210, PETRI_TRANSITIONS=232} [2025-01-10 06:40:39,525 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 165 predicate places. [2025-01-10 06:40:39,525 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 232 transitions, 2961 flow [2025-01-10 06:40:39,525 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) [2025-01-10 06:40:39,525 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:39,525 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:39,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 06:40:39,525 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:39,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:39,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 2 times [2025-01-10 06:40:39,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:39,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465174783] [2025-01-10 06:40:39,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:40:39,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:39,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:39,543 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:39,543 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:40:39,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:39,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465174783] [2025-01-10 06:40:39,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465174783] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:39,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:39,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:39,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810108186] [2025-01-10 06:40:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:39,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:39,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:39,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:39,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:39,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:39,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 232 transitions, 2961 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) [2025-01-10 06:40:39,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:39,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:39,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:41,033 INFO L124 PetriNetUnfolderBase]: 1844/3623 cut-off events. [2025-01-10 06:40:41,034 INFO L125 PetriNetUnfolderBase]: For 23109/23111 co-relation queries the response was YES. [2025-01-10 06:40:41,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17445 conditions, 3623 events. 1844/3623 cut-off events. For 23109/23111 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 24622 event pairs, 721 based on Foata normal form. 34/3657 useless extension candidates. Maximal degree in co-relation 16912. Up to 2302 conditions per place. [2025-01-10 06:40:41,057 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 286 selfloop transitions, 100 changer transitions 0/388 dead transitions. [2025-01-10 06:40:41,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 388 transitions, 4769 flow [2025-01-10 06:40:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 06:40:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-01-10 06:40:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 339 transitions. [2025-01-10 06:40:41,058 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3210227272727273 [2025-01-10 06:40:41,058 INFO L175 Difference]: Start difference. First operand has 210 places, 232 transitions, 2961 flow. Second operand 24 states and 339 transitions. [2025-01-10 06:40:41,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 388 transitions, 4769 flow [2025-01-10 06:40:41,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 388 transitions, 4467 flow, removed 84 selfloop flow, removed 10 redundant places. [2025-01-10 06:40:41,144 INFO L231 Difference]: Finished difference. Result has 223 places, 262 transitions, 3384 flow [2025-01-10 06:40:41,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2777, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3384, PETRI_PLACES=223, PETRI_TRANSITIONS=262} [2025-01-10 06:40:41,144 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 178 predicate places. [2025-01-10 06:40:41,144 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 262 transitions, 3384 flow [2025-01-10 06:40:41,145 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) [2025-01-10 06:40:41,145 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:41,145 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:41,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 06:40:41,145 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:41,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:41,145 INFO L85 PathProgramCache]: Analyzing trace with hash -78545847, now seen corresponding path program 3 times [2025-01-10 06:40:41,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:41,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054044499] [2025-01-10 06:40:41,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:40:41,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:41,155 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:41,159 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:41,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:40:41,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:41,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:41,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054044499] [2025-01-10 06:40:41,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054044499] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:41,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:41,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:41,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068301969] [2025-01-10 06:40:41,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:41,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:41,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:41,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:41,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:41,504 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:41,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 262 transitions, 3384 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) [2025-01-10 06:40:41,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:41,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:41,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:42,480 INFO L124 PetriNetUnfolderBase]: 1869/3690 cut-off events. [2025-01-10 06:40:42,480 INFO L125 PetriNetUnfolderBase]: For 22949/22955 co-relation queries the response was YES. [2025-01-10 06:40:42,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17901 conditions, 3690 events. 1869/3690 cut-off events. For 22949/22955 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 25231 event pairs, 527 based on Foata normal form. 38/3728 useless extension candidates. Maximal degree in co-relation 17145. Up to 1548 conditions per place. [2025-01-10 06:40:42,508 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 250 selfloop transitions, 139 changer transitions 5/396 dead transitions. [2025-01-10 06:40:42,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 396 transitions, 4990 flow [2025-01-10 06:40:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 06:40:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-01-10 06:40:42,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2025-01-10 06:40:42,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2025-01-10 06:40:42,509 INFO L175 Difference]: Start difference. First operand has 223 places, 262 transitions, 3384 flow. Second operand 24 states and 341 transitions. [2025-01-10 06:40:42,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 396 transitions, 4990 flow [2025-01-10 06:40:42,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 396 transitions, 4833 flow, removed 35 selfloop flow, removed 7 redundant places. [2025-01-10 06:40:42,624 INFO L231 Difference]: Finished difference. Result has 245 places, 270 transitions, 3757 flow [2025-01-10 06:40:42,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3247, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3757, PETRI_PLACES=245, PETRI_TRANSITIONS=270} [2025-01-10 06:40:42,624 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 200 predicate places. [2025-01-10 06:40:42,624 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 270 transitions, 3757 flow [2025-01-10 06:40:42,625 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) [2025-01-10 06:40:42,625 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:42,625 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:42,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 06:40:42,625 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:42,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:42,625 INFO L85 PathProgramCache]: Analyzing trace with hash -78545848, now seen corresponding path program 2 times [2025-01-10 06:40:42,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:42,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072369452] [2025-01-10 06:40:42,625 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:40:42,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:42,635 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:42,639 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:42,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:40:42,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:42,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:42,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072369452] [2025-01-10 06:40:42,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072369452] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:42,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:42,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:42,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203670842] [2025-01-10 06:40:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:42,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:42,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:42,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:42,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:42,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 270 transitions, 3757 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) [2025-01-10 06:40:42,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:42,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:42,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:44,222 INFO L124 PetriNetUnfolderBase]: 1883/3783 cut-off events. [2025-01-10 06:40:44,222 INFO L125 PetriNetUnfolderBase]: For 29675/29677 co-relation queries the response was YES. [2025-01-10 06:40:44,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19211 conditions, 3783 events. 1883/3783 cut-off events. For 29675/29677 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 26404 event pairs, 551 based on Foata normal form. 42/3825 useless extension candidates. Maximal degree in co-relation 18669. Up to 1513 conditions per place. [2025-01-10 06:40:44,252 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 269 selfloop transitions, 122 changer transitions 14/407 dead transitions. [2025-01-10 06:40:44,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 407 transitions, 5369 flow [2025-01-10 06:40:44,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 06:40:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-01-10 06:40:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 342 transitions. [2025-01-10 06:40:44,257 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2025-01-10 06:40:44,258 INFO L175 Difference]: Start difference. First operand has 245 places, 270 transitions, 3757 flow. Second operand 24 states and 342 transitions. [2025-01-10 06:40:44,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 407 transitions, 5369 flow [2025-01-10 06:40:44,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 407 transitions, 5174 flow, removed 22 selfloop flow, removed 17 redundant places. [2025-01-10 06:40:44,405 INFO L231 Difference]: Finished difference. Result has 253 places, 270 transitions, 3908 flow [2025-01-10 06:40:44,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3546, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3908, PETRI_PLACES=253, PETRI_TRANSITIONS=270} [2025-01-10 06:40:44,405 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 208 predicate places. [2025-01-10 06:40:44,406 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 270 transitions, 3908 flow [2025-01-10 06:40:44,406 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) [2025-01-10 06:40:44,406 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:44,406 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:44,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 06:40:44,406 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:44,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:44,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 3 times [2025-01-10 06:40:44,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:44,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122952427] [2025-01-10 06:40:44,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:40:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:44,415 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:44,419 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:44,419 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:40:44,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:44,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:44,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122952427] [2025-01-10 06:40:44,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122952427] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:44,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:44,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:44,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714690945] [2025-01-10 06:40:44,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:44,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:44,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:44,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:44,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:44,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:44,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 270 transitions, 3908 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) [2025-01-10 06:40:44,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:44,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:44,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:46,127 INFO L124 PetriNetUnfolderBase]: 1786/3617 cut-off events. [2025-01-10 06:40:46,127 INFO L125 PetriNetUnfolderBase]: For 31588/31594 co-relation queries the response was YES. [2025-01-10 06:40:46,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18707 conditions, 3617 events. 1786/3617 cut-off events. For 31588/31594 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 25300 event pairs, 732 based on Foata normal form. 68/3685 useless extension candidates. Maximal degree in co-relation 18623. Up to 2350 conditions per place. [2025-01-10 06:40:46,162 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 277 selfloop transitions, 101 changer transitions 12/392 dead transitions. [2025-01-10 06:40:46,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 392 transitions, 5265 flow [2025-01-10 06:40:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 06:40:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-01-10 06:40:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 336 transitions. [2025-01-10 06:40:46,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2025-01-10 06:40:46,163 INFO L175 Difference]: Start difference. First operand has 253 places, 270 transitions, 3908 flow. Second operand 24 states and 336 transitions. [2025-01-10 06:40:46,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 392 transitions, 5265 flow [2025-01-10 06:40:46,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 392 transitions, 5024 flow, removed 18 selfloop flow, removed 22 redundant places. [2025-01-10 06:40:46,313 INFO L231 Difference]: Finished difference. Result has 256 places, 266 transitions, 3914 flow [2025-01-10 06:40:46,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3644, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3914, PETRI_PLACES=256, PETRI_TRANSITIONS=266} [2025-01-10 06:40:46,314 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 211 predicate places. [2025-01-10 06:40:46,314 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 266 transitions, 3914 flow [2025-01-10 06:40:46,314 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) [2025-01-10 06:40:46,314 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:46,314 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:46,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 06:40:46,314 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:46,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:46,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338218, now seen corresponding path program 4 times [2025-01-10 06:40:46,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:46,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322456786] [2025-01-10 06:40:46,314 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 06:40:46,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:46,325 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-01-10 06:40:46,329 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:46,329 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 06:40:46,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:46,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:46,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322456786] [2025-01-10 06:40:46,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322456786] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:46,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:46,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:40:46,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838531264] [2025-01-10 06:40:46,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:46,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:40:46,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:46,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:40:46,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:40:46,772 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:46,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 266 transitions, 3914 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) [2025-01-10 06:40:46,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:46,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:46,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:48,210 INFO L124 PetriNetUnfolderBase]: 1883/3819 cut-off events. [2025-01-10 06:40:48,210 INFO L125 PetriNetUnfolderBase]: For 32706/32708 co-relation queries the response was YES. [2025-01-10 06:40:48,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19717 conditions, 3819 events. 1883/3819 cut-off events. For 32706/32708 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 27115 event pairs, 661 based on Foata normal form. 32/3851 useless extension candidates. Maximal degree in co-relation 19327. Up to 2454 conditions per place. [2025-01-10 06:40:48,241 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 301 selfloop transitions, 109 changer transitions 0/412 dead transitions. [2025-01-10 06:40:48,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 412 transitions, 5547 flow [2025-01-10 06:40:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 06:40:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-01-10 06:40:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2025-01-10 06:40:48,242 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2025-01-10 06:40:48,242 INFO L175 Difference]: Start difference. First operand has 256 places, 266 transitions, 3914 flow. Second operand 22 states and 310 transitions. [2025-01-10 06:40:48,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 412 transitions, 5547 flow [2025-01-10 06:40:48,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 412 transitions, 5360 flow, removed 21 selfloop flow, removed 20 redundant places. [2025-01-10 06:40:48,383 INFO L231 Difference]: Finished difference. Result has 265 places, 299 transitions, 4401 flow [2025-01-10 06:40:48,383 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3751, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4401, PETRI_PLACES=265, PETRI_TRANSITIONS=299} [2025-01-10 06:40:48,384 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 220 predicate places. [2025-01-10 06:40:48,384 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 299 transitions, 4401 flow [2025-01-10 06:40:48,384 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) [2025-01-10 06:40:48,384 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:48,384 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:48,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 06:40:48,384 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:48,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:48,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2025-01-10 06:40:48,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:48,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376001146] [2025-01-10 06:40:48,385 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 06:40:48,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:48,394 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:48,398 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:48,398 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:40:48,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:48,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:48,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376001146] [2025-01-10 06:40:48,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376001146] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:48,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:48,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:48,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142085760] [2025-01-10 06:40:48,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:48,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:48,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:48,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:48,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:48,733 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:48,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 299 transitions, 4401 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) [2025-01-10 06:40:48,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:48,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:48,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:49,771 INFO L124 PetriNetUnfolderBase]: 2111/4263 cut-off events. [2025-01-10 06:40:49,772 INFO L125 PetriNetUnfolderBase]: For 39799/39801 co-relation queries the response was YES. [2025-01-10 06:40:49,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23244 conditions, 4263 events. 2111/4263 cut-off events. For 39799/39801 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 30865 event pairs, 501 based on Foata normal form. 34/4297 useless extension candidates. Maximal degree in co-relation 22846. Up to 1805 conditions per place. [2025-01-10 06:40:49,811 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 255 selfloop transitions, 183 changer transitions 5/445 dead transitions. [2025-01-10 06:40:49,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 445 transitions, 6448 flow [2025-01-10 06:40:49,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 06:40:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-01-10 06:40:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2025-01-10 06:40:49,813 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2025-01-10 06:40:49,813 INFO L175 Difference]: Start difference. First operand has 265 places, 299 transitions, 4401 flow. Second operand 23 states and 320 transitions. [2025-01-10 06:40:49,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 445 transitions, 6448 flow [2025-01-10 06:40:49,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 445 transitions, 6202 flow, removed 60 selfloop flow, removed 8 redundant places. [2025-01-10 06:40:50,004 INFO L231 Difference]: Finished difference. Result has 288 places, 335 transitions, 5323 flow [2025-01-10 06:40:50,004 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4191, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5323, PETRI_PLACES=288, PETRI_TRANSITIONS=335} [2025-01-10 06:40:50,005 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 243 predicate places. [2025-01-10 06:40:50,005 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 335 transitions, 5323 flow [2025-01-10 06:40:50,005 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) [2025-01-10 06:40:50,005 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:50,005 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:50,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-10 06:40:50,005 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:50,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2025-01-10 06:40:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:50,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910136614] [2025-01-10 06:40:50,005 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 06:40:50,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:50,014 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-01-10 06:40:50,018 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:50,019 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 06:40:50,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:50,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:50,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910136614] [2025-01-10 06:40:50,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910136614] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:50,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:50,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:40:50,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417865285] [2025-01-10 06:40:50,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:50,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:40:50,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:50,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:40:50,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:40:50,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:50,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 335 transitions, 5323 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) [2025-01-10 06:40:50,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:50,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:50,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:51,420 INFO L124 PetriNetUnfolderBase]: 2073/4209 cut-off events. [2025-01-10 06:40:51,420 INFO L125 PetriNetUnfolderBase]: For 49663/49665 co-relation queries the response was YES. [2025-01-10 06:40:51,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24408 conditions, 4209 events. 2073/4209 cut-off events. For 49663/49665 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 30463 event pairs, 573 based on Foata normal form. 34/4243 useless extension candidates. Maximal degree in co-relation 23986. Up to 2002 conditions per place. [2025-01-10 06:40:51,460 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 236 selfloop transitions, 180 changer transitions 14/432 dead transitions. [2025-01-10 06:40:51,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 432 transitions, 6789 flow [2025-01-10 06:40:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 06:40:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-01-10 06:40:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 310 transitions. [2025-01-10 06:40:51,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30632411067193677 [2025-01-10 06:40:51,462 INFO L175 Difference]: Start difference. First operand has 288 places, 335 transitions, 5323 flow. Second operand 23 states and 310 transitions. [2025-01-10 06:40:51,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 432 transitions, 6789 flow [2025-01-10 06:40:51,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 432 transitions, 6535 flow, removed 67 selfloop flow, removed 10 redundant places. [2025-01-10 06:40:51,699 INFO L231 Difference]: Finished difference. Result has 304 places, 340 transitions, 5633 flow [2025-01-10 06:40:51,700 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5079, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5633, PETRI_PLACES=304, PETRI_TRANSITIONS=340} [2025-01-10 06:40:51,700 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 259 predicate places. [2025-01-10 06:40:51,700 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 340 transitions, 5633 flow [2025-01-10 06:40:51,700 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) [2025-01-10 06:40:51,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:51,700 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:51,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-10 06:40:51,700 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:51,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:51,701 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2025-01-10 06:40:51,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:51,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661123020] [2025-01-10 06:40:51,701 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 06:40:51,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:51,710 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:51,714 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:51,714 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-10 06:40:51,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:52,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:52,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661123020] [2025-01-10 06:40:52,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661123020] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:52,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:52,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:52,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746529731] [2025-01-10 06:40:52,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:52,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:52,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:52,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:52,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:52,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:52,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 340 transitions, 5633 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) [2025-01-10 06:40:52,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:52,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:52,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:53,491 INFO L124 PetriNetUnfolderBase]: 2030/4128 cut-off events. [2025-01-10 06:40:53,491 INFO L125 PetriNetUnfolderBase]: For 52539/52541 co-relation queries the response was YES. [2025-01-10 06:40:53,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23943 conditions, 4128 events. 2030/4128 cut-off events. For 52539/52541 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 29937 event pairs, 467 based on Foata normal form. 34/4162 useless extension candidates. Maximal degree in co-relation 23505. Up to 1706 conditions per place. [2025-01-10 06:40:53,528 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 323 selfloop transitions, 154 changer transitions 3/482 dead transitions. [2025-01-10 06:40:53,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 482 transitions, 7340 flow [2025-01-10 06:40:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-10 06:40:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-01-10 06:40:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 369 transitions. [2025-01-10 06:40:53,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32255244755244755 [2025-01-10 06:40:53,529 INFO L175 Difference]: Start difference. First operand has 304 places, 340 transitions, 5633 flow. Second operand 26 states and 369 transitions. [2025-01-10 06:40:53,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 482 transitions, 7340 flow [2025-01-10 06:40:53,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 482 transitions, 7128 flow, removed 17 selfloop flow, removed 16 redundant places. [2025-01-10 06:40:53,750 INFO L231 Difference]: Finished difference. Result has 316 places, 341 transitions, 5890 flow [2025-01-10 06:40:53,751 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5387, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5890, PETRI_PLACES=316, PETRI_TRANSITIONS=341} [2025-01-10 06:40:53,751 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 271 predicate places. [2025-01-10 06:40:53,751 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 341 transitions, 5890 flow [2025-01-10 06:40:53,751 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) [2025-01-10 06:40:53,751 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:53,751 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:53,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-01-10 06:40:53,752 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:53,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 5 times [2025-01-10 06:40:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:53,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753306081] [2025-01-10 06:40:53,752 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 06:40:53,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:53,761 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:53,765 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:53,765 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:40:53,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:54,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:54,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753306081] [2025-01-10 06:40:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753306081] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:54,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:54,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:54,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150829742] [2025-01-10 06:40:54,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:54,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:54,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:54,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:54,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:54,072 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:54,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 341 transitions, 5890 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) [2025-01-10 06:40:54,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:54,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:54,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:55,249 INFO L124 PetriNetUnfolderBase]: 1995/4074 cut-off events. [2025-01-10 06:40:55,249 INFO L125 PetriNetUnfolderBase]: For 54112/54114 co-relation queries the response was YES. [2025-01-10 06:40:55,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24420 conditions, 4074 events. 1995/4074 cut-off events. For 54112/54114 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 29534 event pairs, 532 based on Foata normal form. 34/4108 useless extension candidates. Maximal degree in co-relation 23973. Up to 1956 conditions per place. [2025-01-10 06:40:55,283 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 284 selfloop transitions, 158 changer transitions 12/456 dead transitions. [2025-01-10 06:40:55,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 456 transitions, 7427 flow [2025-01-10 06:40:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 06:40:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-01-10 06:40:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 345 transitions. [2025-01-10 06:40:55,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31363636363636366 [2025-01-10 06:40:55,285 INFO L175 Difference]: Start difference. First operand has 316 places, 341 transitions, 5890 flow. Second operand 25 states and 345 transitions. [2025-01-10 06:40:55,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 456 transitions, 7427 flow [2025-01-10 06:40:55,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 456 transitions, 7205 flow, removed 26 selfloop flow, removed 17 redundant places. [2025-01-10 06:40:55,534 INFO L231 Difference]: Finished difference. Result has 325 places, 340 transitions, 6077 flow [2025-01-10 06:40:55,535 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5644, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=6077, PETRI_PLACES=325, PETRI_TRANSITIONS=340} [2025-01-10 06:40:55,535 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 280 predicate places. [2025-01-10 06:40:55,535 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 340 transitions, 6077 flow [2025-01-10 06:40:55,535 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) [2025-01-10 06:40:55,535 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:55,535 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:55,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-01-10 06:40:55,536 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:55,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:55,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 6 times [2025-01-10 06:40:55,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:55,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528029762] [2025-01-10 06:40:55,536 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 06:40:55,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:55,546 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:55,548 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:55,549 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-10 06:40:55,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:55,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:55,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528029762] [2025-01-10 06:40:55,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528029762] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:55,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:55,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:40:55,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947123651] [2025-01-10 06:40:55,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:55,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:40:55,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:55,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:40:55,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:40:55,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:55,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 340 transitions, 6077 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) [2025-01-10 06:40:55,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:55,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:55,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:56,766 INFO L124 PetriNetUnfolderBase]: 1915/3952 cut-off events. [2025-01-10 06:40:56,766 INFO L125 PetriNetUnfolderBase]: For 56634/56636 co-relation queries the response was YES. [2025-01-10 06:40:56,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24022 conditions, 3952 events. 1915/3952 cut-off events. For 56634/56636 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 28790 event pairs, 779 based on Foata normal form. 50/4002 useless extension candidates. Maximal degree in co-relation 23557. Up to 2269 conditions per place. [2025-01-10 06:40:56,798 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 300 selfloop transitions, 123 changer transitions 20/445 dead transitions. [2025-01-10 06:40:56,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 445 transitions, 7721 flow [2025-01-10 06:40:56,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 06:40:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-01-10 06:40:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 283 transitions. [2025-01-10 06:40:56,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3215909090909091 [2025-01-10 06:40:56,799 INFO L175 Difference]: Start difference. First operand has 325 places, 340 transitions, 6077 flow. Second operand 20 states and 283 transitions. [2025-01-10 06:40:56,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 445 transitions, 7721 flow [2025-01-10 06:40:57,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 445 transitions, 7513 flow, removed 3 selfloop flow, removed 21 redundant places. [2025-01-10 06:40:57,028 INFO L231 Difference]: Finished difference. Result has 327 places, 347 transitions, 6345 flow [2025-01-10 06:40:57,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5808, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=6345, PETRI_PLACES=327, PETRI_TRANSITIONS=347} [2025-01-10 06:40:57,029 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 282 predicate places. [2025-01-10 06:40:57,029 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 347 transitions, 6345 flow [2025-01-10 06:40:57,029 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) [2025-01-10 06:40:57,029 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:57,029 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:57,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-01-10 06:40:57,029 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:57,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:57,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1897245547, now seen corresponding path program 7 times [2025-01-10 06:40:57,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:57,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20290201] [2025-01-10 06:40:57,030 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 06:40:57,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:57,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:57,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:57,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:57,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:57,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20290201] [2025-01-10 06:40:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20290201] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:57,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:57,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:40:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102238423] [2025-01-10 06:40:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:57,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:40:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:57,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:40:57,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:40:57,332 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:57,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 347 transitions, 6345 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) [2025-01-10 06:40:57,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:57,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:57,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:58,396 INFO L124 PetriNetUnfolderBase]: 2133/4370 cut-off events. [2025-01-10 06:40:58,397 INFO L125 PetriNetUnfolderBase]: For 70185/70187 co-relation queries the response was YES. [2025-01-10 06:40:58,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27760 conditions, 4370 events. 2133/4370 cut-off events. For 70185/70187 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 32308 event pairs, 687 based on Foata normal form. 92/4462 useless extension candidates. Maximal degree in co-relation 27604. Up to 2452 conditions per place. [2025-01-10 06:40:58,435 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 371 selfloop transitions, 111 changer transitions 7/491 dead transitions. [2025-01-10 06:40:58,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 491 transitions, 9022 flow [2025-01-10 06:40:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 06:40:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-01-10 06:40:58,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 327 transitions. [2025-01-10 06:40:58,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3096590909090909 [2025-01-10 06:40:58,436 INFO L175 Difference]: Start difference. First operand has 327 places, 347 transitions, 6345 flow. Second operand 24 states and 327 transitions. [2025-01-10 06:40:58,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 491 transitions, 9022 flow [2025-01-10 06:40:58,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 491 transitions, 8833 flow, removed 39 selfloop flow, removed 12 redundant places. [2025-01-10 06:40:58,737 INFO L231 Difference]: Finished difference. Result has 339 places, 367 transitions, 7025 flow [2025-01-10 06:40:58,737 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6201, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7025, PETRI_PLACES=339, PETRI_TRANSITIONS=367} [2025-01-10 06:40:58,737 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 294 predicate places. [2025-01-10 06:40:58,738 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 367 transitions, 7025 flow [2025-01-10 06:40:58,738 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) [2025-01-10 06:40:58,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:40:58,738 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:40:58,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-01-10 06:40:58,738 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:40:58,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:40:58,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1897245546, now seen corresponding path program 7 times [2025-01-10 06:40:58,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:40:58,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018393363] [2025-01-10 06:40:58,738 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 06:40:58,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:40:58,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:40:58,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:40:58,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:40:58,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:40:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:40:58,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:40:58,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018393363] [2025-01-10 06:40:58,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018393363] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:40:58,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:40:58,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:40:58,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477487423] [2025-01-10 06:40:58,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:40:58,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:40:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:40:58,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:40:58,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:40:58,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:40:58,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 367 transitions, 7025 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) [2025-01-10 06:40:58,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:40:58,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:40:58,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:40:59,955 INFO L124 PetriNetUnfolderBase]: 2036/4247 cut-off events. [2025-01-10 06:40:59,955 INFO L125 PetriNetUnfolderBase]: For 73269/73275 co-relation queries the response was YES. [2025-01-10 06:40:59,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26849 conditions, 4247 events. 2036/4247 cut-off events. For 73269/73275 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 31793 event pairs, 704 based on Foata normal form. 120/4367 useless extension candidates. Maximal degree in co-relation 26261. Up to 2859 conditions per place. [2025-01-10 06:40:59,995 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 328 selfloop transitions, 98 changer transitions 15/443 dead transitions. [2025-01-10 06:40:59,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 443 transitions, 8469 flow [2025-01-10 06:40:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 06:40:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-01-10 06:40:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 226 transitions. [2025-01-10 06:40:59,996 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3424242424242424 [2025-01-10 06:40:59,996 INFO L175 Difference]: Start difference. First operand has 339 places, 367 transitions, 7025 flow. Second operand 15 states and 226 transitions. [2025-01-10 06:40:59,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 443 transitions, 8469 flow [2025-01-10 06:41:00,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 443 transitions, 8245 flow, removed 18 selfloop flow, removed 15 redundant places. [2025-01-10 06:41:00,297 INFO L231 Difference]: Finished difference. Result has 340 places, 366 transitions, 7112 flow [2025-01-10 06:41:00,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6716, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7112, PETRI_PLACES=340, PETRI_TRANSITIONS=366} [2025-01-10 06:41:00,297 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 295 predicate places. [2025-01-10 06:41:00,298 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 366 transitions, 7112 flow [2025-01-10 06:41:00,298 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) [2025-01-10 06:41:00,298 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:00,298 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:00,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 06:41:00,298 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:00,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:00,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1142623073, now seen corresponding path program 2 times [2025-01-10 06:41:00,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:00,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363963869] [2025-01-10 06:41:00,299 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:00,310 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:41:00,314 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:41:00,314 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:00,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:00,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:00,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363963869] [2025-01-10 06:41:00,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363963869] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:00,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:00,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 06:41:00,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414735244] [2025-01-10 06:41:00,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:00,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:41:00,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:00,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:41:00,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:41:00,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:00,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 366 transitions, 7112 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) [2025-01-10 06:41:00,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:00,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:00,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:01,622 INFO L124 PetriNetUnfolderBase]: 1920/4033 cut-off events. [2025-01-10 06:41:01,622 INFO L125 PetriNetUnfolderBase]: For 62759/62765 co-relation queries the response was YES. [2025-01-10 06:41:01,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25690 conditions, 4033 events. 1920/4033 cut-off events. For 62759/62765 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 29927 event pairs, 733 based on Foata normal form. 30/4063 useless extension candidates. Maximal degree in co-relation 25103. Up to 2875 conditions per place. [2025-01-10 06:41:01,664 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 302 selfloop transitions, 132 changer transitions 4/440 dead transitions. [2025-01-10 06:41:01,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 440 transitions, 8486 flow [2025-01-10 06:41:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-10 06:41:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-01-10 06:41:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 320 transitions. [2025-01-10 06:41:01,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27972027972027974 [2025-01-10 06:41:01,665 INFO L175 Difference]: Start difference. First operand has 340 places, 366 transitions, 7112 flow. Second operand 26 states and 320 transitions. [2025-01-10 06:41:01,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 440 transitions, 8486 flow [2025-01-10 06:41:01,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 440 transitions, 8369 flow, removed 16 selfloop flow, removed 8 redundant places. [2025-01-10 06:41:01,930 INFO L231 Difference]: Finished difference. Result has 360 places, 367 transitions, 7328 flow [2025-01-10 06:41:01,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6974, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7328, PETRI_PLACES=360, PETRI_TRANSITIONS=367} [2025-01-10 06:41:01,930 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 315 predicate places. [2025-01-10 06:41:01,930 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 367 transitions, 7328 flow [2025-01-10 06:41:01,930 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) [2025-01-10 06:41:01,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:01,930 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:01,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-01-10 06:41:01,931 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:01,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:01,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1142623072, now seen corresponding path program 2 times [2025-01-10 06:41:01,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:01,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246230046] [2025-01-10 06:41:01,931 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:01,939 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:41:01,942 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:41:01,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:01,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:02,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:02,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246230046] [2025-01-10 06:41:02,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246230046] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:02,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:02,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 06:41:02,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973223036] [2025-01-10 06:41:02,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:02,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 06:41:02,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:02,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 06:41:02,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:41:02,086 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:02,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 367 transitions, 7328 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) [2025-01-10 06:41:02,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:02,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:02,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:03,030 INFO L124 PetriNetUnfolderBase]: 1883/3955 cut-off events. [2025-01-10 06:41:03,031 INFO L125 PetriNetUnfolderBase]: For 57543/57545 co-relation queries the response was YES. [2025-01-10 06:41:03,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25112 conditions, 3955 events. 1883/3955 cut-off events. For 57543/57545 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 29345 event pairs, 647 based on Foata normal form. 26/3981 useless extension candidates. Maximal degree in co-relation 24623. Up to 1046 conditions per place. [2025-01-10 06:41:03,070 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 257 selfloop transitions, 165 changer transitions 34/458 dead transitions. [2025-01-10 06:41:03,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 458 transitions, 8928 flow [2025-01-10 06:41:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 06:41:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-01-10 06:41:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 303 transitions. [2025-01-10 06:41:03,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3443181818181818 [2025-01-10 06:41:03,071 INFO L175 Difference]: Start difference. First operand has 360 places, 367 transitions, 7328 flow. Second operand 20 states and 303 transitions. [2025-01-10 06:41:03,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 458 transitions, 8928 flow [2025-01-10 06:41:03,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 458 transitions, 8695 flow, removed 18 selfloop flow, removed 17 redundant places. [2025-01-10 06:41:03,324 INFO L231 Difference]: Finished difference. Result has 360 places, 349 transitions, 7062 flow [2025-01-10 06:41:03,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7077, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7062, PETRI_PLACES=360, PETRI_TRANSITIONS=349} [2025-01-10 06:41:03,325 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 315 predicate places. [2025-01-10 06:41:03,325 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 349 transitions, 7062 flow [2025-01-10 06:41:03,325 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) [2025-01-10 06:41:03,325 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:03,325 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:03,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-01-10 06:41:03,325 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:03,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:03,325 INFO L85 PathProgramCache]: Analyzing trace with hash -509705143, now seen corresponding path program 8 times [2025-01-10 06:41:03,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:03,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808943179] [2025-01-10 06:41:03,325 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:03,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:03,334 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:41:03,337 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:41:03,337 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:03,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:03,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:03,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808943179] [2025-01-10 06:41:03,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808943179] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:03,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:03,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:03,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868799443] [2025-01-10 06:41:03,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:03,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:03,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:03,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:03,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:03,629 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:03,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 349 transitions, 7062 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) [2025-01-10 06:41:03,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:03,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:03,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:04,862 INFO L124 PetriNetUnfolderBase]: 1953/4142 cut-off events. [2025-01-10 06:41:04,862 INFO L125 PetriNetUnfolderBase]: For 65493/65495 co-relation queries the response was YES. [2025-01-10 06:41:04,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26379 conditions, 4142 events. 1953/4142 cut-off events. For 65493/65495 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 31239 event pairs, 512 based on Foata normal form. 62/4204 useless extension candidates. Maximal degree in co-relation 26146. Up to 2174 conditions per place. [2025-01-10 06:41:04,903 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 399 selfloop transitions, 118 changer transitions 0/519 dead transitions. [2025-01-10 06:41:04,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 519 transitions, 9576 flow [2025-01-10 06:41:04,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 06:41:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-01-10 06:41:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 353 transitions. [2025-01-10 06:41:04,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3209090909090909 [2025-01-10 06:41:04,905 INFO L175 Difference]: Start difference. First operand has 360 places, 349 transitions, 7062 flow. Second operand 25 states and 353 transitions. [2025-01-10 06:41:04,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 519 transitions, 9576 flow [2025-01-10 06:41:05,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 519 transitions, 9153 flow, removed 52 selfloop flow, removed 23 redundant places. [2025-01-10 06:41:05,196 INFO L231 Difference]: Finished difference. Result has 361 places, 370 transitions, 7275 flow [2025-01-10 06:41:05,196 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6694, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=7275, PETRI_PLACES=361, PETRI_TRANSITIONS=370} [2025-01-10 06:41:05,196 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 316 predicate places. [2025-01-10 06:41:05,196 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 370 transitions, 7275 flow [2025-01-10 06:41:05,197 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) [2025-01-10 06:41:05,197 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:05,197 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:05,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-01-10 06:41:05,197 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:05,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:05,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1649550059, now seen corresponding path program 9 times [2025-01-10 06:41:05,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:05,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320712090] [2025-01-10 06:41:05,198 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:41:05,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:05,206 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:41:05,210 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:41:05,210 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:41:05,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:05,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:05,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320712090] [2025-01-10 06:41:05,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320712090] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:05,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:05,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:05,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907012525] [2025-01-10 06:41:05,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:05,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:05,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:05,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:05,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:05,505 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:05,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 370 transitions, 7275 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) [2025-01-10 06:41:05,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:05,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:05,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:06,611 INFO L124 PetriNetUnfolderBase]: 2031/4316 cut-off events. [2025-01-10 06:41:06,612 INFO L125 PetriNetUnfolderBase]: For 71910/71912 co-relation queries the response was YES. [2025-01-10 06:41:06,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28098 conditions, 4316 events. 2031/4316 cut-off events. For 71910/71912 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 32755 event pairs, 510 based on Foata normal form. 56/4372 useless extension candidates. Maximal degree in co-relation 27797. Up to 2132 conditions per place. [2025-01-10 06:41:06,652 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 378 selfloop transitions, 142 changer transitions 0/522 dead transitions. [2025-01-10 06:41:06,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 522 transitions, 10002 flow [2025-01-10 06:41:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 06:41:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-01-10 06:41:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 309 transitions. [2025-01-10 06:41:06,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3344155844155844 [2025-01-10 06:41:06,653 INFO L175 Difference]: Start difference. First operand has 361 places, 370 transitions, 7275 flow. Second operand 21 states and 309 transitions. [2025-01-10 06:41:06,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 522 transitions, 10002 flow [2025-01-10 06:41:07,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 522 transitions, 9703 flow, removed 62 selfloop flow, removed 13 redundant places. [2025-01-10 06:41:07,019 INFO L231 Difference]: Finished difference. Result has 373 places, 390 transitions, 7993 flow [2025-01-10 06:41:07,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6982, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=7993, PETRI_PLACES=373, PETRI_TRANSITIONS=390} [2025-01-10 06:41:07,020 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 328 predicate places. [2025-01-10 06:41:07,020 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 390 transitions, 7993 flow [2025-01-10 06:41:07,020 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) [2025-01-10 06:41:07,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:07,020 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:07,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-10 06:41:07,020 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:07,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:07,021 INFO L85 PathProgramCache]: Analyzing trace with hash -509705144, now seen corresponding path program 8 times [2025-01-10 06:41:07,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:07,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300238160] [2025-01-10 06:41:07,021 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:07,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:07,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:41:07,033 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:41:07,033 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:07,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:07,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:07,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300238160] [2025-01-10 06:41:07,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300238160] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:07,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:07,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:07,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911891891] [2025-01-10 06:41:07,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:07,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:07,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:07,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:07,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:07,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:07,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 390 transitions, 7993 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) [2025-01-10 06:41:07,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:07,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:07,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:08,654 INFO L124 PetriNetUnfolderBase]: 1973/4272 cut-off events. [2025-01-10 06:41:08,654 INFO L125 PetriNetUnfolderBase]: For 75095/75097 co-relation queries the response was YES. [2025-01-10 06:41:08,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27162 conditions, 4272 events. 1973/4272 cut-off events. For 75095/75097 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 33017 event pairs, 467 based on Foata normal form. 94/4366 useless extension candidates. Maximal degree in co-relation 26694. Up to 2174 conditions per place. [2025-01-10 06:41:08,695 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 393 selfloop transitions, 118 changer transitions 14/527 dead transitions. [2025-01-10 06:41:08,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 527 transitions, 9965 flow [2025-01-10 06:41:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 06:41:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-01-10 06:41:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 342 transitions. [2025-01-10 06:41:08,697 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2025-01-10 06:41:08,697 INFO L175 Difference]: Start difference. First operand has 373 places, 390 transitions, 7993 flow. Second operand 24 states and 342 transitions. [2025-01-10 06:41:08,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 527 transitions, 9965 flow [2025-01-10 06:41:09,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 527 transitions, 9701 flow, removed 29 selfloop flow, removed 20 redundant places. [2025-01-10 06:41:09,073 INFO L231 Difference]: Finished difference. Result has 379 places, 381 transitions, 7902 flow [2025-01-10 06:41:09,073 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7565, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=7902, PETRI_PLACES=379, PETRI_TRANSITIONS=381} [2025-01-10 06:41:09,074 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 334 predicate places. [2025-01-10 06:41:09,074 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 381 transitions, 7902 flow [2025-01-10 06:41:09,074 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) [2025-01-10 06:41:09,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:09,074 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:09,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-01-10 06:41:09,074 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:09,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:09,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1649550058, now seen corresponding path program 9 times [2025-01-10 06:41:09,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:09,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900597954] [2025-01-10 06:41:09,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:41:09,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:09,084 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-01-10 06:41:09,087 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 06:41:09,087 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:41:09,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:09,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:09,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900597954] [2025-01-10 06:41:09,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900597954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:09,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:09,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:09,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559663517] [2025-01-10 06:41:09,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:09,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:09,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:09,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:09,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:09,378 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:09,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 381 transitions, 7902 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) [2025-01-10 06:41:09,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:09,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:09,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:10,552 INFO L124 PetriNetUnfolderBase]: 1839/4052 cut-off events. [2025-01-10 06:41:10,553 INFO L125 PetriNetUnfolderBase]: For 64221/64223 co-relation queries the response was YES. [2025-01-10 06:41:10,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26020 conditions, 4052 events. 1839/4052 cut-off events. For 64221/64223 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 31372 event pairs, 426 based on Foata normal form. 72/4124 useless extension candidates. Maximal degree in co-relation 25497. Up to 1640 conditions per place. [2025-01-10 06:41:10,584 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 369 selfloop transitions, 134 changer transitions 9/514 dead transitions. [2025-01-10 06:41:10,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 514 transitions, 10011 flow [2025-01-10 06:41:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 06:41:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-01-10 06:41:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 310 transitions. [2025-01-10 06:41:10,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3354978354978355 [2025-01-10 06:41:10,585 INFO L175 Difference]: Start difference. First operand has 379 places, 381 transitions, 7902 flow. Second operand 21 states and 310 transitions. [2025-01-10 06:41:10,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 514 transitions, 10011 flow [2025-01-10 06:41:10,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 514 transitions, 9799 flow, removed 22 selfloop flow, removed 20 redundant places. [2025-01-10 06:41:10,900 INFO L231 Difference]: Finished difference. Result has 379 places, 377 transitions, 8037 flow [2025-01-10 06:41:10,900 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7614, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8037, PETRI_PLACES=379, PETRI_TRANSITIONS=377} [2025-01-10 06:41:10,900 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 334 predicate places. [2025-01-10 06:41:10,900 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 377 transitions, 8037 flow [2025-01-10 06:41:10,901 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) [2025-01-10 06:41:10,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:10,901 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:10,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-01-10 06:41:10,901 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:10,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:10,901 INFO L85 PathProgramCache]: Analyzing trace with hash -632684899, now seen corresponding path program 1 times [2025-01-10 06:41:10,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:10,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434144809] [2025-01-10 06:41:10,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:41:10,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:10,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:10,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:10,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:41:10,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:11,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:11,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434144809] [2025-01-10 06:41:11,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434144809] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:11,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:11,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-10 06:41:11,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378250926] [2025-01-10 06:41:11,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:11,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 06:41:11,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:11,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 06:41:11,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-01-10 06:41:11,227 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:11,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 377 transitions, 8037 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) [2025-01-10 06:41:11,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:11,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:11,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:12,350 INFO L124 PetriNetUnfolderBase]: 1831/4014 cut-off events. [2025-01-10 06:41:12,350 INFO L125 PetriNetUnfolderBase]: For 65284/65290 co-relation queries the response was YES. [2025-01-10 06:41:12,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26608 conditions, 4014 events. 1831/4014 cut-off events. For 65284/65290 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 31049 event pairs, 706 based on Foata normal form. 30/4044 useless extension candidates. Maximal degree in co-relation 25919. Up to 3096 conditions per place. [2025-01-10 06:41:12,387 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 384 selfloop transitions, 87 changer transitions 0/473 dead transitions. [2025-01-10 06:41:12,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 473 transitions, 10426 flow [2025-01-10 06:41:12,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 06:41:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-01-10 06:41:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 247 transitions. [2025-01-10 06:41:12,388 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29545454545454547 [2025-01-10 06:41:12,388 INFO L175 Difference]: Start difference. First operand has 379 places, 377 transitions, 8037 flow. Second operand 19 states and 247 transitions. [2025-01-10 06:41:12,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 473 transitions, 10426 flow [2025-01-10 06:41:12,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 473 transitions, 10193 flow, removed 16 selfloop flow, removed 16 redundant places. [2025-01-10 06:41:12,744 INFO L231 Difference]: Finished difference. Result has 385 places, 388 transitions, 8495 flow [2025-01-10 06:41:12,744 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7779, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8495, PETRI_PLACES=385, PETRI_TRANSITIONS=388} [2025-01-10 06:41:12,745 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 340 predicate places. [2025-01-10 06:41:12,745 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 388 transitions, 8495 flow [2025-01-10 06:41:12,745 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) [2025-01-10 06:41:12,745 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:12,745 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:12,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-01-10 06:41:12,745 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:12,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:12,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2052247641, now seen corresponding path program 1 times [2025-01-10 06:41:12,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:12,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215261658] [2025-01-10 06:41:12,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:41:12,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:12,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:12,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:12,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:41:12,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:13,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:13,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215261658] [2025-01-10 06:41:13,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215261658] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:13,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:13,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:13,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285574316] [2025-01-10 06:41:13,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:13,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:13,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:13,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:13,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:13,061 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:13,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 388 transitions, 8495 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) [2025-01-10 06:41:13,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:13,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:13,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:14,242 INFO L124 PetriNetUnfolderBase]: 1879/4139 cut-off events. [2025-01-10 06:41:14,242 INFO L125 PetriNetUnfolderBase]: For 62561/62563 co-relation queries the response was YES. [2025-01-10 06:41:14,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27026 conditions, 4139 events. 1879/4139 cut-off events. For 62561/62563 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 32132 event pairs, 660 based on Foata normal form. 10/4149 useless extension candidates. Maximal degree in co-relation 26310. Up to 2977 conditions per place. [2025-01-10 06:41:14,281 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 271 selfloop transitions, 173 changer transitions 0/446 dead transitions. [2025-01-10 06:41:14,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 446 transitions, 9712 flow [2025-01-10 06:41:14,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-10 06:41:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2025-01-10 06:41:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 309 transitions. [2025-01-10 06:41:14,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2601010101010101 [2025-01-10 06:41:14,282 INFO L175 Difference]: Start difference. First operand has 385 places, 388 transitions, 8495 flow. Second operand 27 states and 309 transitions. [2025-01-10 06:41:14,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 446 transitions, 9712 flow [2025-01-10 06:41:14,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 446 transitions, 9569 flow, removed 28 selfloop flow, removed 9 redundant places. [2025-01-10 06:41:14,635 INFO L231 Difference]: Finished difference. Result has 405 places, 393 transitions, 8802 flow [2025-01-10 06:41:14,636 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8352, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=8802, PETRI_PLACES=405, PETRI_TRANSITIONS=393} [2025-01-10 06:41:14,636 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 360 predicate places. [2025-01-10 06:41:14,636 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 393 transitions, 8802 flow [2025-01-10 06:41:14,636 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) [2025-01-10 06:41:14,636 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:14,636 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:14,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-01-10 06:41:14,636 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:14,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:14,637 INFO L85 PathProgramCache]: Analyzing trace with hash -632684900, now seen corresponding path program 1 times [2025-01-10 06:41:14,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:14,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999818391] [2025-01-10 06:41:14,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:41:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:14,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:14,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:14,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:41:14,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:14,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:14,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999818391] [2025-01-10 06:41:14,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999818391] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:14,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:14,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-10 06:41:14,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765892806] [2025-01-10 06:41:14,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:14,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 06:41:14,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:14,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 06:41:14,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-01-10 06:41:14,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:14,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 393 transitions, 8802 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) [2025-01-10 06:41:14,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:14,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:14,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:16,065 INFO L124 PetriNetUnfolderBase]: 1845/4066 cut-off events. [2025-01-10 06:41:16,066 INFO L125 PetriNetUnfolderBase]: For 63419/63421 co-relation queries the response was YES. [2025-01-10 06:41:16,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26647 conditions, 4066 events. 1845/4066 cut-off events. For 63419/63421 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 31647 event pairs, 596 based on Foata normal form. 34/4100 useless extension candidates. Maximal degree in co-relation 26240. Up to 2790 conditions per place. [2025-01-10 06:41:16,105 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 369 selfloop transitions, 100 changer transitions 8/479 dead transitions. [2025-01-10 06:41:16,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 479 transitions, 10706 flow [2025-01-10 06:41:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 06:41:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-01-10 06:41:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 258 transitions. [2025-01-10 06:41:16,106 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29318181818181815 [2025-01-10 06:41:16,106 INFO L175 Difference]: Start difference. First operand has 405 places, 393 transitions, 8802 flow. Second operand 20 states and 258 transitions. [2025-01-10 06:41:16,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 479 transitions, 10706 flow [2025-01-10 06:41:16,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 479 transitions, 10070 flow, removed 7 selfloop flow, removed 29 redundant places. [2025-01-10 06:41:16,436 INFO L231 Difference]: Finished difference. Result has 390 places, 385 transitions, 8284 flow [2025-01-10 06:41:16,437 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8098, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8284, PETRI_PLACES=390, PETRI_TRANSITIONS=385} [2025-01-10 06:41:16,437 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 345 predicate places. [2025-01-10 06:41:16,437 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 385 transitions, 8284 flow [2025-01-10 06:41:16,437 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) [2025-01-10 06:41:16,437 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:16,437 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:16,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-01-10 06:41:16,437 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:16,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:16,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2088282138, now seen corresponding path program 1 times [2025-01-10 06:41:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:16,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861080241] [2025-01-10 06:41:16,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:41:16,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:16,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:16,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:16,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:41:16,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:16,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:16,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861080241] [2025-01-10 06:41:16,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861080241] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:16,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:16,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:16,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335180038] [2025-01-10 06:41:16,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:16,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:16,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:16,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:16,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:16,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:16,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 385 transitions, 8284 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) [2025-01-10 06:41:16,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:16,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:16,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:17,651 INFO L124 PetriNetUnfolderBase]: 1817/4010 cut-off events. [2025-01-10 06:41:17,651 INFO L125 PetriNetUnfolderBase]: For 57303/57305 co-relation queries the response was YES. [2025-01-10 06:41:17,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25452 conditions, 4010 events. 1817/4010 cut-off events. For 57303/57305 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 31162 event pairs, 703 based on Foata normal form. 10/4020 useless extension candidates. Maximal degree in co-relation 25190. Up to 3473 conditions per place. [2025-01-10 06:41:17,687 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 329 selfloop transitions, 54 changer transitions 35/420 dead transitions. [2025-01-10 06:41:17,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 420 transitions, 9280 flow [2025-01-10 06:41:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 06:41:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-01-10 06:41:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 195 transitions. [2025-01-10 06:41:17,688 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29545454545454547 [2025-01-10 06:41:17,688 INFO L175 Difference]: Start difference. First operand has 390 places, 385 transitions, 8284 flow. Second operand 15 states and 195 transitions. [2025-01-10 06:41:17,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 420 transitions, 9280 flow [2025-01-10 06:41:17,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 420 transitions, 9091 flow, removed 9 selfloop flow, removed 21 redundant places. [2025-01-10 06:41:17,999 INFO L231 Difference]: Finished difference. Result has 381 places, 367 transitions, 7780 flow [2025-01-10 06:41:17,999 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8072, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7780, PETRI_PLACES=381, PETRI_TRANSITIONS=367} [2025-01-10 06:41:17,999 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 336 predicate places. [2025-01-10 06:41:17,999 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 367 transitions, 7780 flow [2025-01-10 06:41:18,000 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) [2025-01-10 06:41:18,000 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:18,000 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:18,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-01-10 06:41:18,000 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:18,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:18,000 INFO L85 PathProgramCache]: Analyzing trace with hash 839996112, now seen corresponding path program 2 times [2025-01-10 06:41:18,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485193842] [2025-01-10 06:41:18,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:18,009 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:18,012 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:18,013 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:18,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:18,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:18,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485193842] [2025-01-10 06:41:18,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485193842] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:18,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:18,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:18,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532613713] [2025-01-10 06:41:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:18,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:18,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:18,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:18,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:18,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:18,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 367 transitions, 7780 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) [2025-01-10 06:41:18,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:18,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:18,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:19,187 INFO L124 PetriNetUnfolderBase]: 1799/3982 cut-off events. [2025-01-10 06:41:19,187 INFO L125 PetriNetUnfolderBase]: For 54298/54300 co-relation queries the response was YES. [2025-01-10 06:41:19,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24830 conditions, 3982 events. 1799/3982 cut-off events. For 54298/54300 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 31006 event pairs, 698 based on Foata normal form. 10/3992 useless extension candidates. Maximal degree in co-relation 24465. Up to 3367 conditions per place. [2025-01-10 06:41:19,227 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 349 selfloop transitions, 54 changer transitions 2/407 dead transitions. [2025-01-10 06:41:19,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 407 transitions, 8842 flow [2025-01-10 06:41:19,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 06:41:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-01-10 06:41:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 175 transitions. [2025-01-10 06:41:19,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2840909090909091 [2025-01-10 06:41:19,228 INFO L175 Difference]: Start difference. First operand has 381 places, 367 transitions, 7780 flow. Second operand 14 states and 175 transitions. [2025-01-10 06:41:19,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 407 transitions, 8842 flow [2025-01-10 06:41:19,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 407 transitions, 8718 flow, removed 9 selfloop flow, removed 13 redundant places. [2025-01-10 06:41:19,485 INFO L231 Difference]: Finished difference. Result has 376 places, 370 transitions, 7845 flow [2025-01-10 06:41:19,486 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7662, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7845, PETRI_PLACES=376, PETRI_TRANSITIONS=370} [2025-01-10 06:41:19,486 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 331 predicate places. [2025-01-10 06:41:19,486 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 370 transitions, 7845 flow [2025-01-10 06:41:19,486 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) [2025-01-10 06:41:19,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:19,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:19,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-01-10 06:41:19,486 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:19,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash -889051221, now seen corresponding path program 2 times [2025-01-10 06:41:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978644217] [2025-01-10 06:41:19,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:19,497 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:19,501 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:19,501 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:19,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:19,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:19,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978644217] [2025-01-10 06:41:19,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978644217] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:19,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:19,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:19,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380445882] [2025-01-10 06:41:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:19,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:19,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:19,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:19,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:19,829 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:19,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 370 transitions, 7845 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) [2025-01-10 06:41:19,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:19,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:19,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:21,015 INFO L124 PetriNetUnfolderBase]: 1789/3975 cut-off events. [2025-01-10 06:41:21,015 INFO L125 PetriNetUnfolderBase]: For 52078/52080 co-relation queries the response was YES. [2025-01-10 06:41:21,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24729 conditions, 3975 events. 1789/3975 cut-off events. For 52078/52080 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 30897 event pairs, 628 based on Foata normal form. 10/3985 useless extension candidates. Maximal degree in co-relation 24275. Up to 2859 conditions per place. [2025-01-10 06:41:21,053 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 255 selfloop transitions, 165 changer transitions 2/424 dead transitions. [2025-01-10 06:41:21,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 424 transitions, 8873 flow [2025-01-10 06:41:21,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-10 06:41:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2025-01-10 06:41:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 334 transitions. [2025-01-10 06:41:21,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24486803519061584 [2025-01-10 06:41:21,054 INFO L175 Difference]: Start difference. First operand has 376 places, 370 transitions, 7845 flow. Second operand 31 states and 334 transitions. [2025-01-10 06:41:21,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 424 transitions, 8873 flow [2025-01-10 06:41:21,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 424 transitions, 8799 flow, removed 5 selfloop flow, removed 8 redundant places. [2025-01-10 06:41:21,333 INFO L231 Difference]: Finished difference. Result has 397 places, 368 transitions, 8050 flow [2025-01-10 06:41:21,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7720, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=8050, PETRI_PLACES=397, PETRI_TRANSITIONS=368} [2025-01-10 06:41:21,334 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 352 predicate places. [2025-01-10 06:41:21,334 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 368 transitions, 8050 flow [2025-01-10 06:41:21,334 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) [2025-01-10 06:41:21,334 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:21,334 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:21,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-01-10 06:41:21,334 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:21,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:21,335 INFO L85 PathProgramCache]: Analyzing trace with hash 839996113, now seen corresponding path program 3 times [2025-01-10 06:41:21,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:21,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386073766] [2025-01-10 06:41:21,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:41:21,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:21,344 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:21,352 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:21,352 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:41:21,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:21,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:21,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386073766] [2025-01-10 06:41:21,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386073766] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:21,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:21,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:21,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678330231] [2025-01-10 06:41:21,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:21,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:21,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:21,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:21,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:21,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:21,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 368 transitions, 8050 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) [2025-01-10 06:41:21,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:21,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:21,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:22,777 INFO L124 PetriNetUnfolderBase]: 1779/3948 cut-off events. [2025-01-10 06:41:22,777 INFO L125 PetriNetUnfolderBase]: For 54905/54907 co-relation queries the response was YES. [2025-01-10 06:41:22,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24919 conditions, 3948 events. 1779/3948 cut-off events. For 54905/54907 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 30672 event pairs, 621 based on Foata normal form. 10/3958 useless extension candidates. Maximal degree in co-relation 24614. Up to 2859 conditions per place. [2025-01-10 06:41:22,815 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 299 selfloop transitions, 139 changer transitions 16/456 dead transitions. [2025-01-10 06:41:22,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 456 transitions, 9926 flow [2025-01-10 06:41:22,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-10 06:41:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2025-01-10 06:41:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 319 transitions. [2025-01-10 06:41:22,816 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25 [2025-01-10 06:41:22,816 INFO L175 Difference]: Start difference. First operand has 397 places, 368 transitions, 8050 flow. Second operand 29 states and 319 transitions. [2025-01-10 06:41:22,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 456 transitions, 9926 flow [2025-01-10 06:41:23,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 456 transitions, 9104 flow, removed 16 selfloop flow, removed 43 redundant places. [2025-01-10 06:41:23,129 INFO L231 Difference]: Finished difference. Result has 377 places, 364 transitions, 7550 flow [2025-01-10 06:41:23,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7267, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=7550, PETRI_PLACES=377, PETRI_TRANSITIONS=364} [2025-01-10 06:41:23,130 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 332 predicate places. [2025-01-10 06:41:23,130 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 364 transitions, 7550 flow [2025-01-10 06:41:23,130 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) [2025-01-10 06:41:23,130 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:23,130 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:41:23,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-01-10 06:41:23,130 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:23,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:23,131 INFO L85 PathProgramCache]: Analyzing trace with hash -889051222, now seen corresponding path program 3 times [2025-01-10 06:41:23,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:23,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362497990] [2025-01-10 06:41:23,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:41:23,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:23,140 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 19 statements into 1 equivalence classes. [2025-01-10 06:41:23,144 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 06:41:23,144 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 06:41:23,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362497990] [2025-01-10 06:41:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362497990] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:23,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:41:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117664940] [2025-01-10 06:41:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:23,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:41:23,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:23,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:41:23,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:41:23,518 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:23,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 364 transitions, 7550 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) [2025-01-10 06:41:23,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:23,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:23,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:24,432 INFO L124 PetriNetUnfolderBase]: 1713/3812 cut-off events. [2025-01-10 06:41:24,432 INFO L125 PetriNetUnfolderBase]: For 47083/47085 co-relation queries the response was YES. [2025-01-10 06:41:24,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23876 conditions, 3812 events. 1713/3812 cut-off events. For 47083/47085 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 29645 event pairs, 690 based on Foata normal form. 10/3822 useless extension candidates. Maximal degree in co-relation 23804. Up to 3367 conditions per place. [2025-01-10 06:41:24,460 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 316 selfloop transitions, 37 changer transitions 33/388 dead transitions. [2025-01-10 06:41:24,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 388 transitions, 8430 flow [2025-01-10 06:41:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 06:41:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-01-10 06:41:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 162 transitions. [2025-01-10 06:41:24,461 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.262987012987013 [2025-01-10 06:41:24,462 INFO L175 Difference]: Start difference. First operand has 377 places, 364 transitions, 7550 flow. Second operand 14 states and 162 transitions. [2025-01-10 06:41:24,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 388 transitions, 8430 flow [2025-01-10 06:41:24,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 388 transitions, 8055 flow, removed 10 selfloop flow, removed 29 redundant places. [2025-01-10 06:41:24,651 INFO L231 Difference]: Finished difference. Result has 355 places, 344 transitions, 6937 flow [2025-01-10 06:41:24,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7167, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6937, PETRI_PLACES=355, PETRI_TRANSITIONS=344} [2025-01-10 06:41:24,651 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 310 predicate places. [2025-01-10 06:41:24,652 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 344 transitions, 6937 flow [2025-01-10 06:41:24,652 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) [2025-01-10 06:41:24,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:24,652 INFO L206 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] [2025-01-10 06:41:24,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-01-10 06:41:24,652 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:24,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1026374366, now seen corresponding path program 1 times [2025-01-10 06:41:24,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:24,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679652426] [2025-01-10 06:41:24,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:41:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:24,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 06:41:24,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:24,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:41:24,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679652426] [2025-01-10 06:41:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679652426] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:25,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:25,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-10 06:41:25,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433513714] [2025-01-10 06:41:25,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:25,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:41:25,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:25,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:41:25,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:41:25,250 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:25,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 344 transitions, 6937 flow. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2025-01-10 06:41:25,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:25,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:25,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:26,290 INFO L124 PetriNetUnfolderBase]: 1703/3875 cut-off events. [2025-01-10 06:41:26,290 INFO L125 PetriNetUnfolderBase]: For 44670/44672 co-relation queries the response was YES. [2025-01-10 06:41:26,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24143 conditions, 3875 events. 1703/3875 cut-off events. For 44670/44672 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 30838 event pairs, 856 based on Foata normal form. 18/3893 useless extension candidates. Maximal degree in co-relation 24074. Up to 2857 conditions per place. [2025-01-10 06:41:26,318 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 292 selfloop transitions, 132 changer transitions 6/432 dead transitions. [2025-01-10 06:41:26,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 432 transitions, 8896 flow [2025-01-10 06:41:26,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 06:41:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-01-10 06:41:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 230 transitions. [2025-01-10 06:41:26,319 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2904040404040404 [2025-01-10 06:41:26,319 INFO L175 Difference]: Start difference. First operand has 355 places, 344 transitions, 6937 flow. Second operand 18 states and 230 transitions. [2025-01-10 06:41:26,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 432 transitions, 8896 flow [2025-01-10 06:41:26,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 432 transitions, 8712 flow, removed 5 selfloop flow, removed 13 redundant places. [2025-01-10 06:41:26,527 INFO L231 Difference]: Finished difference. Result has 338 places, 371 transitions, 7707 flow [2025-01-10 06:41:26,527 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6765, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7707, PETRI_PLACES=338, PETRI_TRANSITIONS=371} [2025-01-10 06:41:26,527 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 293 predicate places. [2025-01-10 06:41:26,528 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 371 transitions, 7707 flow [2025-01-10 06:41:26,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2025-01-10 06:41:26,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:26,528 INFO L206 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] [2025-01-10 06:41:26,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-01-10 06:41:26,528 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:26,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:26,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1441615578, now seen corresponding path program 2 times [2025-01-10 06:41:26,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:26,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361054277] [2025-01-10 06:41:26,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:41:26,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:26,541 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 1 equivalence classes. [2025-01-10 06:41:26,545 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:26,545 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:41:26,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:27,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:27,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361054277] [2025-01-10 06:41:27,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361054277] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:27,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:41:27,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-01-10 06:41:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466097191] [2025-01-10 06:41:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:27,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:41:27,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:27,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:41:27,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-01-10 06:41:27,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:27,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 371 transitions, 7707 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:27,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:27,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:27,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:30,181 INFO L124 PetriNetUnfolderBase]: 1720/3920 cut-off events. [2025-01-10 06:41:30,181 INFO L125 PetriNetUnfolderBase]: For 45539/45541 co-relation queries the response was YES. [2025-01-10 06:41:30,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25104 conditions, 3920 events. 1720/3920 cut-off events. For 45539/45541 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 31243 event pairs, 777 based on Foata normal form. 14/3934 useless extension candidates. Maximal degree in co-relation 25032. Up to 2795 conditions per place. [2025-01-10 06:41:30,209 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 335 selfloop transitions, 172 changer transitions 6/515 dead transitions. [2025-01-10 06:41:30,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 515 transitions, 9815 flow [2025-01-10 06:41:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-10 06:41:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-01-10 06:41:30,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 443 transitions. [2025-01-10 06:41:30,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27211302211302213 [2025-01-10 06:41:30,210 INFO L175 Difference]: Start difference. First operand has 338 places, 371 transitions, 7707 flow. Second operand 37 states and 443 transitions. [2025-01-10 06:41:30,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 515 transitions, 9815 flow [2025-01-10 06:41:30,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 515 transitions, 9743 flow, removed 3 selfloop flow, removed 6 redundant places. [2025-01-10 06:41:30,439 INFO L231 Difference]: Finished difference. Result has 372 places, 405 transitions, 8463 flow [2025-01-10 06:41:30,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7637, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=8463, PETRI_PLACES=372, PETRI_TRANSITIONS=405} [2025-01-10 06:41:30,441 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2025-01-10 06:41:30,441 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 405 transitions, 8463 flow [2025-01-10 06:41:30,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:30,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:30,442 INFO L206 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] [2025-01-10 06:41:30,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-01-10 06:41:30,442 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:30,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1875420918, now seen corresponding path program 3 times [2025-01-10 06:41:30,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:30,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175167051] [2025-01-10 06:41:30,443 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:41:30,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:30,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:30,466 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:30,467 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 06:41:30,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:31,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:31,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175167051] [2025-01-10 06:41:31,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175167051] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:41:31,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896928022] [2025-01-10 06:41:31,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:41:31,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:41:31,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:41:31,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 06:41:31,225 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:31,341 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:31,341 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 06:41:31,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:31,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-10 06:41:31,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:41:31,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-01-10 06:41:31,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-01-10 06:41:31,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2025-01-10 06:41:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-10 06:41:31,826 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-01-10 06:41:31,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2025-01-10 06:41:31,970 INFO L349 Elim1Store]: treesize reduction 26, result has 45.8 percent of original size [2025-01-10 06:41:31,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 46 [2025-01-10 06:41:32,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-10 06:41:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:32,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:41:32,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896928022] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:32,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:41:32,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2025-01-10 06:41:32,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796371744] [2025-01-10 06:41:32,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:32,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:41:32,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:32,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:41:32,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2025-01-10 06:41:32,027 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:32,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 405 transitions, 8463 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:32,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:32,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:32,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:33,497 INFO L124 PetriNetUnfolderBase]: 1818/4250 cut-off events. [2025-01-10 06:41:33,498 INFO L125 PetriNetUnfolderBase]: For 54883/54885 co-relation queries the response was YES. [2025-01-10 06:41:33,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28564 conditions, 4250 events. 1818/4250 cut-off events. For 54883/54885 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 35273 event pairs, 910 based on Foata normal form. 44/4294 useless extension candidates. Maximal degree in co-relation 28487. Up to 3318 conditions per place. [2025-01-10 06:41:33,545 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 342 selfloop transitions, 189 changer transitions 12/545 dead transitions. [2025-01-10 06:41:33,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 545 transitions, 11614 flow [2025-01-10 06:41:33,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-10 06:41:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2025-01-10 06:41:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 309 transitions. [2025-01-10 06:41:33,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2601010101010101 [2025-01-10 06:41:33,546 INFO L175 Difference]: Start difference. First operand has 372 places, 405 transitions, 8463 flow. Second operand 27 states and 309 transitions. [2025-01-10 06:41:33,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 545 transitions, 11614 flow [2025-01-10 06:41:33,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 545 transitions, 11247 flow, removed 15 selfloop flow, removed 20 redundant places. [2025-01-10 06:41:33,861 INFO L231 Difference]: Finished difference. Result has 389 places, 465 transitions, 10072 flow [2025-01-10 06:41:33,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8196, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=10072, PETRI_PLACES=389, PETRI_TRANSITIONS=465} [2025-01-10 06:41:33,862 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 344 predicate places. [2025-01-10 06:41:33,862 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 465 transitions, 10072 flow [2025-01-10 06:41:33,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:33,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:33,862 INFO L206 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] [2025-01-10 06:41:33,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 06:41:34,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:34,063 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:34,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:34,064 INFO L85 PathProgramCache]: Analyzing trace with hash 497468544, now seen corresponding path program 4 times [2025-01-10 06:41:34,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:34,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10849500] [2025-01-10 06:41:34,064 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 06:41:34,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:34,075 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:34,080 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:34,080 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 06:41:34,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:34,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:34,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10849500] [2025-01-10 06:41:34,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10849500] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:41:34,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039886828] [2025-01-10 06:41:34,969 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 06:41:34,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:34,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:41:34,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:41:34,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 06:41:35,093 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:35,117 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:35,117 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 06:41:35,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:35,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-01-10 06:41:35,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:41:35,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-01-10 06:41:35,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-01-10 06:41:35,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2025-01-10 06:41:35,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-01-10 06:41:35,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-01-10 06:41:35,521 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 06:41:35,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2025-01-10 06:41:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:35,535 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:41:35,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039886828] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:35,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:41:35,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2025-01-10 06:41:35,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806970583] [2025-01-10 06:41:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:35,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:41:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:35,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:41:35,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2025-01-10 06:41:35,536 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:35,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 465 transitions, 10072 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:35,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:35,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:35,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:37,065 INFO L124 PetriNetUnfolderBase]: 2188/5115 cut-off events. [2025-01-10 06:41:37,065 INFO L125 PetriNetUnfolderBase]: For 60996/60998 co-relation queries the response was YES. [2025-01-10 06:41:37,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33721 conditions, 5115 events. 2188/5115 cut-off events. For 60996/60998 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 44693 event pairs, 1012 based on Foata normal form. 12/5127 useless extension candidates. Maximal degree in co-relation 33632. Up to 3460 conditions per place. [2025-01-10 06:41:37,124 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 391 selfloop transitions, 221 changer transitions 8/622 dead transitions. [2025-01-10 06:41:37,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 622 transitions, 13115 flow [2025-01-10 06:41:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 06:41:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-01-10 06:41:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 301 transitions. [2025-01-10 06:41:37,125 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2736363636363636 [2025-01-10 06:41:37,125 INFO L175 Difference]: Start difference. First operand has 389 places, 465 transitions, 10072 flow. Second operand 25 states and 301 transitions. [2025-01-10 06:41:37,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 622 transitions, 13115 flow [2025-01-10 06:41:37,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 622 transitions, 12918 flow, removed 43 selfloop flow, removed 7 redundant places. [2025-01-10 06:41:37,527 INFO L231 Difference]: Finished difference. Result has 418 places, 529 transitions, 11694 flow [2025-01-10 06:41:37,527 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=9892, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=11694, PETRI_PLACES=418, PETRI_TRANSITIONS=529} [2025-01-10 06:41:37,528 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 373 predicate places. [2025-01-10 06:41:37,528 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 529 transitions, 11694 flow [2025-01-10 06:41:37,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:37,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:37,528 INFO L206 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] [2025-01-10 06:41:37,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 06:41:37,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:37,729 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:37,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:37,730 INFO L85 PathProgramCache]: Analyzing trace with hash 535883746, now seen corresponding path program 5 times [2025-01-10 06:41:37,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:37,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239618675] [2025-01-10 06:41:37,730 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 06:41:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:37,740 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:37,746 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:37,746 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:41:37,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:38,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239618675] [2025-01-10 06:41:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239618675] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:41:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884091121] [2025-01-10 06:41:38,287 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 06:41:38,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:38,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:41:38,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:41:38,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 06:41:38,429 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:38,454 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:38,454 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:41:38,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:38,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-10 06:41:38,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:41:38,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-01-10 06:41:38,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-01-10 06:41:38,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2025-01-10 06:41:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-10 06:41:38,770 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-01-10 06:41:38,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2025-01-10 06:41:38,856 INFO L349 Elim1Store]: treesize reduction 26, result has 45.8 percent of original size [2025-01-10 06:41:38,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 46 [2025-01-10 06:41:38,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-10 06:41:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:38,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:41:38,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884091121] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:38,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:41:38,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 23 [2025-01-10 06:41:38,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302885258] [2025-01-10 06:41:38,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:38,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:41:38,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:38,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:41:38,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2025-01-10 06:41:38,886 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:38,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 529 transitions, 11694 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:38,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:38,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:38,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:40,910 INFO L124 PetriNetUnfolderBase]: 2258/5350 cut-off events. [2025-01-10 06:41:40,910 INFO L125 PetriNetUnfolderBase]: For 67207/67209 co-relation queries the response was YES. [2025-01-10 06:41:40,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36193 conditions, 5350 events. 2258/5350 cut-off events. For 67207/67209 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 47780 event pairs, 1010 based on Foata normal form. 26/5376 useless extension candidates. Maximal degree in co-relation 36091. Up to 3340 conditions per place. [2025-01-10 06:41:40,955 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 364 selfloop transitions, 267 changer transitions 10/643 dead transitions. [2025-01-10 06:41:40,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 643 transitions, 14006 flow [2025-01-10 06:41:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-10 06:41:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2025-01-10 06:41:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 373 transitions. [2025-01-10 06:41:40,956 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2568870523415978 [2025-01-10 06:41:40,956 INFO L175 Difference]: Start difference. First operand has 418 places, 529 transitions, 11694 flow. Second operand 33 states and 373 transitions. [2025-01-10 06:41:40,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 643 transitions, 14006 flow [2025-01-10 06:41:41,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 643 transitions, 13905 flow, removed 28 selfloop flow, removed 7 redundant places. [2025-01-10 06:41:41,369 INFO L231 Difference]: Finished difference. Result has 447 places, 548 transitions, 12516 flow [2025-01-10 06:41:41,369 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=11593, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=250, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=12516, PETRI_PLACES=447, PETRI_TRANSITIONS=548} [2025-01-10 06:41:41,370 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 402 predicate places. [2025-01-10 06:41:41,370 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 548 transitions, 12516 flow [2025-01-10 06:41:41,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:41,370 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:41,370 INFO L206 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] [2025-01-10 06:41:41,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:41:41,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:41,571 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:41,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash -770871128, now seen corresponding path program 6 times [2025-01-10 06:41:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:41,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860513863] [2025-01-10 06:41:41,571 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 06:41:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:41,582 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:41,587 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:41,587 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-01-10 06:41:41,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:42,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:41:42,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860513863] [2025-01-10 06:41:42,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860513863] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:41:42,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067061909] [2025-01-10 06:41:42,079 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 06:41:42,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:41:42,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:41:42,081 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:41:42,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 06:41:42,202 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 26 statements into 2 equivalence classes. [2025-01-10 06:41:42,275 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:42,275 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-01-10 06:41:42,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:41:42,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-01-10 06:41:42,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:41:42,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-01-10 06:41:42,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-01-10 06:41:42,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2025-01-10 06:41:42,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 06:41:42,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2025-01-10 06:41:42,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 06:41:42,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2025-01-10 06:41:42,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-10 06:41:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:41:42,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:41:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067061909] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:41:42,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:41:42,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 23 [2025-01-10 06:41:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450686614] [2025-01-10 06:41:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:41:42,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 06:41:42,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:41:42,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 06:41:42,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2025-01-10 06:41:42,632 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2025-01-10 06:41:42,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 548 transitions, 12516 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:42,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:41:42,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2025-01-10 06:41:42,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:41:44,605 INFO L124 PetriNetUnfolderBase]: 2257/5338 cut-off events. [2025-01-10 06:41:44,605 INFO L125 PetriNetUnfolderBase]: For 72716/72718 co-relation queries the response was YES. [2025-01-10 06:41:44,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37536 conditions, 5338 events. 2257/5338 cut-off events. For 72716/72718 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 47598 event pairs, 1010 based on Foata normal form. 6/5344 useless extension candidates. Maximal degree in co-relation 37429. Up to 3346 conditions per place. [2025-01-10 06:41:44,656 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 351 selfloop transitions, 277 changer transitions 6/636 dead transitions. [2025-01-10 06:41:44,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 636 transitions, 14537 flow [2025-01-10 06:41:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-10 06:41:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2025-01-10 06:41:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 348 transitions. [2025-01-10 06:41:44,657 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25513196480938416 [2025-01-10 06:41:44,657 INFO L175 Difference]: Start difference. First operand has 447 places, 548 transitions, 12516 flow. Second operand 31 states and 348 transitions. [2025-01-10 06:41:44,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 636 transitions, 14537 flow [2025-01-10 06:41:45,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 636 transitions, 14205 flow, removed 54 selfloop flow, removed 17 redundant places. [2025-01-10 06:41:45,158 INFO L231 Difference]: Finished difference. Result has 461 places, 556 transitions, 12886 flow [2025-01-10 06:41:45,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=12196, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=12886, PETRI_PLACES=461, PETRI_TRANSITIONS=556} [2025-01-10 06:41:45,159 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 416 predicate places. [2025-01-10 06:41:45,159 INFO L471 AbstractCegarLoop]: Abstraction has has 461 places, 556 transitions, 12886 flow [2025-01-10 06:41:45,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2025-01-10 06:41:45,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:41:45,160 INFO L206 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] [2025-01-10 06:41:45,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 06:41:45,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-01-10 06:41:45,364 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-01-10 06:41:45,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:41:45,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1992005860, now seen corresponding path program 7 times [2025-01-10 06:41:45,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:41:45,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227933314] [2025-01-10 06:41:45,364 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 06:41:45,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:41:45,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 06:41:45,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 06:41:45,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:41:45,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat