./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0.2.5-dev-84cfde4 [2024-10-11 23:54:03,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:54:03,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:54:03,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:54:03,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:54:03,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:54:03,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:54:03,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:54:03,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:54:03,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:54:03,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:54:03,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:54:03,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:54:03,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:54:03,939 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:54:03,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:54:03,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:54:03,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:54:03,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:54:03,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:54:03,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:54:03,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:54:03,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:54:03,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:54:03,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:54:03,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:54:03,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:54:03,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:54:03,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:54:03,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:54:03,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:54:03,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:54:03,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:54:03,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:54:03,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:54:03,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:54:03,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:54:03,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:54:03,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:54:03,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:54:03,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:54:03,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:54:03,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:54:03,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:54:03,954 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-10-11 23:54:04,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:54:04,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:54:04,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:54:04,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:54:04,266 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:54:04,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-10-11 23:54:05,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:54:06,090 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:54:06,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-10-11 23:54:06,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2cd2196e2/e93b8ef6a9424ebaa96252020f6a01c7/FLAGd81bc6e55 [2024-10-11 23:54:06,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2cd2196e2/e93b8ef6a9424ebaa96252020f6a01c7 [2024-10-11 23:54:06,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:54:06,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:54:06,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:54:06,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:54:06,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:54:06,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f51262e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06, skipping insertion in model container [2024-10-11 23:54:06,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:54:06,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:54:06,728 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:54:06,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:54:06,843 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:54:06,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06 WrapperNode [2024-10-11 23:54:06,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:54:06,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:54:06,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:54:06,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:54:06,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,921 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-10-11 23:54:06,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:54:06,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:54:06,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:54:06,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:54:06,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,972 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [15, 2, 2]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 10 writes are split as follows [8, 0, 2]. [2024-10-11 23:54:06,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:07,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:07,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:07,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:54:07,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:54:07,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:54:07,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:54:07,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:07,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:54:07,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:54:07,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:54:07,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:54:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-11 23:54:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-11 23:54:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 23:54:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:54:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:54:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:54:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:54:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:54:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:54:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:54:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:54:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:54:07,114 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 23:54:07,412 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:54:07,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:54:07,747 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 23:54:07,747 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:54:07,967 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:54:07,968 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:54:07,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:54:07 BoogieIcfgContainer [2024-10-11 23:54:07,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:54:07,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:54:07,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:54:07,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:54:07,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:54:06" (1/3) ... [2024-10-11 23:54:07,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8f0027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:54:07, skipping insertion in model container [2024-10-11 23:54:07,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06" (2/3) ... [2024-10-11 23:54:07,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8f0027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:54:07, skipping insertion in model container [2024-10-11 23:54:07,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:54:07" (3/3) ... [2024-10-11 23:54:07,982 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-10-11 23:54:08,001 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:54:08,003 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:54:08,003 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 23:54:08,063 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 23:54:08,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-10-11 23:54:08,154 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2024-10-11 23:54:08,154 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 23:54:08,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 2/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-10-11 23:54:08,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-10-11 23:54:08,162 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-10-11 23:54:08,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:54:08,182 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;@f9ff1ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:54:08,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:54:08,193 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 23:54:08,193 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-11 23:54:08,193 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 23:54:08,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:08,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:08,195 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:08,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2024-10-11 23:54:08,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:08,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075858748] [2024-10-11 23:54:08,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:08,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:09,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:09,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075858748] [2024-10-11 23:54:09,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075858748] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:09,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:09,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:09,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557113630] [2024-10-11 23:54:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:09,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:09,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:09,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:09,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:09,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:09,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:09,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:09,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:10,112 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2024-10-11 23:54:10,113 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-11 23:54:10,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2220 events. 1309/2220 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11613 event pairs, 581 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 4365. Up to 1340 conditions per place. [2024-10-11 23:54:10,140 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2024-10-11 23:54:10,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2024-10-11 23:54:10,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:54:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 23:54:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2024-10-11 23:54:10,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-10-11 23:54:10,161 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2024-10-11 23:54:10,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2024-10-11 23:54:10,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 23:54:10,173 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2024-10-11 23:54:10,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2024-10-11 23:54:10,182 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-10-11 23:54:10,182 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2024-10-11 23:54:10,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:10,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:10,183 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:10,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:54:10,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:10,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:10,185 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2024-10-11 23:54:10,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:10,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964278807] [2024-10-11 23:54:10,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:10,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:10,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:10,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964278807] [2024-10-11 23:54:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964278807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:10,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:10,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:10,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882044334] [2024-10-11 23:54:10,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:10,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:10,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:10,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:10,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:10,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:10,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:10,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:10,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:10,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:11,203 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2024-10-11 23:54:11,203 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2024-10-11 23:54:11,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 2657 events. 1551/2657 cut-off events. For 1048/1050 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14448 event pairs, 910 based on Foata normal form. 2/2419 useless extension candidates. Maximal degree in co-relation 5626. Up to 1866 conditions per place. [2024-10-11 23:54:11,226 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2024-10-11 23:54:11,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2024-10-11 23:54:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:54:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 23:54:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2024-10-11 23:54:11,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2024-10-11 23:54:11,232 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2024-10-11 23:54:11,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2024-10-11 23:54:11,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 23:54:11,241 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2024-10-11 23:54:11,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2024-10-11 23:54:11,242 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-10-11 23:54:11,242 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2024-10-11 23:54:11,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:11,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:11,243 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:11,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:54:11,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:11,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:11,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2024-10-11 23:54:11,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:11,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488361257] [2024-10-11 23:54:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:11,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:11,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488361257] [2024-10-11 23:54:11,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488361257] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:11,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:11,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:11,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459714512] [2024-10-11 23:54:11,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:11,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:11,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:11,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:11,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:11,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:11,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 364 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:11,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:11,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:11,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:13,287 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2024-10-11 23:54:13,288 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2024-10-11 23:54:13,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 4295 events. 2489/4295 cut-off events. For 3375/3385 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 26392 event pairs, 1200 based on Foata normal form. 76/4155 useless extension candidates. Maximal degree in co-relation 8830. Up to 2376 conditions per place. [2024-10-11 23:54:13,319 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2024-10-11 23:54:13,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2024-10-11 23:54:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 23:54:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-11 23:54:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2024-10-11 23:54:13,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2024-10-11 23:54:13,322 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2024-10-11 23:54:13,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2024-10-11 23:54:13,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 23:54:13,349 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2024-10-11 23:54:13,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1003, PETRI_PLACES=96, PETRI_TRANSITIONS=133} [2024-10-11 23:54:13,351 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2024-10-11 23:54:13,351 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2024-10-11 23:54:13,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:13,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:13,352 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:13,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:54:13,352 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:13,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:13,353 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2024-10-11 23:54:13,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:13,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460365368] [2024-10-11 23:54:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:14,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460365368] [2024-10-11 23:54:14,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460365368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:14,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:14,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:14,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585940517] [2024-10-11 23:54:14,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:14,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:14,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:14,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:14,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:14,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:14,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 133 transitions, 1003 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:14,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:14,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:14,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:15,649 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2024-10-11 23:54:15,650 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2024-10-11 23:54:15,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16168 conditions, 4710 events. 2725/4710 cut-off events. For 10671/10686 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 29364 event pairs, 1037 based on Foata normal form. 81/4535 useless extension candidates. Maximal degree in co-relation 15535. Up to 2167 conditions per place. [2024-10-11 23:54:15,698 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2024-10-11 23:54:15,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2024-10-11 23:54:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 23:54:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-11 23:54:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2024-10-11 23:54:15,701 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2024-10-11 23:54:15,701 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2024-10-11 23:54:15,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2024-10-11 23:54:15,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-10-11 23:54:15,765 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2024-10-11 23:54:15,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1753, PETRI_PLACES=122, PETRI_TRANSITIONS=184} [2024-10-11 23:54:15,766 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2024-10-11 23:54:15,766 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2024-10-11 23:54:15,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:15,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:15,767 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:15,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:54:15,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:15,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2024-10-11 23:54:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462520690] [2024-10-11 23:54:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:16,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:16,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462520690] [2024-10-11 23:54:16,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462520690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:16,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:16,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:16,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261252313] [2024-10-11 23:54:16,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:16,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:16,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:16,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:16,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:16,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 184 transitions, 1753 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:16,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:16,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:16,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:17,679 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2024-10-11 23:54:17,680 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2024-10-11 23:54:17,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 5456 events. 3111/5456 cut-off events. For 18151/18163 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 35644 event pairs, 1654 based on Foata normal form. 88/5260 useless extension candidates. Maximal degree in co-relation 20167. Up to 4114 conditions per place. [2024-10-11 23:54:17,732 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2024-10-11 23:54:17,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2024-10-11 23:54:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 23:54:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-11 23:54:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2024-10-11 23:54:17,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2024-10-11 23:54:17,735 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2024-10-11 23:54:17,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2024-10-11 23:54:17,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-10-11 23:54:17,840 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2024-10-11 23:54:17,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1955, PETRI_PLACES=131, PETRI_TRANSITIONS=194} [2024-10-11 23:54:17,841 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-10-11 23:54:17,842 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2024-10-11 23:54:17,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:17,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:17,842 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:17,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:54:17,842 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:17,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2024-10-11 23:54:17,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:17,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846350116] [2024-10-11 23:54:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:17,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:17,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:17,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846350116] [2024-10-11 23:54:17,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846350116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:17,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:17,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:54:17,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589648149] [2024-10-11 23:54:17,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:17,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:54:17,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:54:17,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:54:17,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-10-11 23:54:17,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 194 transitions, 1955 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:17,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:17,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-10-11 23:54:17,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:18,513 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2024-10-11 23:54:18,513 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2024-10-11 23:54:18,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 3514 events. 1957/3514 cut-off events. For 10211/10213 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 21437 event pairs, 750 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 13066. Up to 2271 conditions per place. [2024-10-11 23:54:18,542 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2024-10-11 23:54:18,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2024-10-11 23:54:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:54:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 23:54:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-10-11 23:54:18,544 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-10-11 23:54:18,544 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2024-10-11 23:54:18,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2024-10-11 23:54:18,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-10-11 23:54:18,629 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2024-10-11 23:54:18,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1417, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1459, PETRI_PLACES=124, PETRI_TRANSITIONS=154} [2024-10-11 23:54:18,630 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2024-10-11 23:54:18,630 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2024-10-11 23:54:18,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:18,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:18,631 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:18,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:54:18,631 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:18,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:18,631 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2024-10-11 23:54:18,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:18,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859671043] [2024-10-11 23:54:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:19,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:19,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859671043] [2024-10-11 23:54:19,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859671043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:19,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:19,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:19,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676797421] [2024-10-11 23:54:19,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:19,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:19,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:19,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:19,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:19,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:19,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 154 transitions, 1459 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:19,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:19,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:19,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:20,179 INFO L124 PetriNetUnfolderBase]: 2147/3922 cut-off events. [2024-10-11 23:54:20,179 INFO L125 PetriNetUnfolderBase]: For 11147/11157 co-relation queries the response was YES. [2024-10-11 23:54:20,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14844 conditions, 3922 events. 2147/3922 cut-off events. For 11147/11157 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24060 event pairs, 940 based on Foata normal form. 72/3808 useless extension candidates. Maximal degree in co-relation 14460. Up to 2071 conditions per place. [2024-10-11 23:54:20,222 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 148 selfloop transitions, 59 changer transitions 16/225 dead transitions. [2024-10-11 23:54:20,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 225 transitions, 2259 flow [2024-10-11 23:54:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 23:54:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-11 23:54:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 217 transitions. [2024-10-11 23:54:20,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3287878787878788 [2024-10-11 23:54:20,224 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 15 states and 217 transitions. [2024-10-11 23:54:20,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 225 transitions, 2259 flow [2024-10-11 23:54:20,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 225 transitions, 2206 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 23:54:20,295 INFO L231 Difference]: Finished difference. Result has 139 places, 158 transitions, 1618 flow [2024-10-11 23:54:20,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1618, PETRI_PLACES=139, PETRI_TRANSITIONS=158} [2024-10-11 23:54:20,296 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 94 predicate places. [2024-10-11 23:54:20,297 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 158 transitions, 1618 flow [2024-10-11 23:54:20,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:20,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:20,297 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:20,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:54:20,297 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:20,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:20,298 INFO L85 PathProgramCache]: Analyzing trace with hash -421152827, now seen corresponding path program 3 times [2024-10-11 23:54:20,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:20,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171514814] [2024-10-11 23:54:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:20,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:20,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171514814] [2024-10-11 23:54:20,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171514814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:20,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:20,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453344512] [2024-10-11 23:54:20,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:20,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:20,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:20,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:20,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:20,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:20,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 158 transitions, 1618 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:20,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:20,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:20,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:21,962 INFO L124 PetriNetUnfolderBase]: 1983/3642 cut-off events. [2024-10-11 23:54:21,962 INFO L125 PetriNetUnfolderBase]: For 11129/11139 co-relation queries the response was YES. [2024-10-11 23:54:21,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 3642 events. 1983/3642 cut-off events. For 11129/11139 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 22167 event pairs, 751 based on Foata normal form. 80/3566 useless extension candidates. Maximal degree in co-relation 13803. Up to 1899 conditions per place. [2024-10-11 23:54:21,994 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 163 selfloop transitions, 85 changer transitions 19/269 dead transitions. [2024-10-11 23:54:21,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 269 transitions, 2863 flow [2024-10-11 23:54:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 23:54:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-11 23:54:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 273 transitions. [2024-10-11 23:54:22,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.326555023923445 [2024-10-11 23:54:22,001 INFO L175 Difference]: Start difference. First operand has 139 places, 158 transitions, 1618 flow. Second operand 19 states and 273 transitions. [2024-10-11 23:54:22,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 269 transitions, 2863 flow [2024-10-11 23:54:22,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 269 transitions, 2743 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-10-11 23:54:22,107 INFO L231 Difference]: Finished difference. Result has 155 places, 175 transitions, 1989 flow [2024-10-11 23:54:22,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1989, PETRI_PLACES=155, PETRI_TRANSITIONS=175} [2024-10-11 23:54:22,109 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2024-10-11 23:54:22,109 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 175 transitions, 1989 flow [2024-10-11 23:54:22,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:22,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:22,109 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:22,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:54:22,109 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:22,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2024-10-11 23:54:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:22,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784002338] [2024-10-11 23:54:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:22,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:22,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:22,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784002338] [2024-10-11 23:54:22,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784002338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:22,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:22,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:22,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543293664] [2024-10-11 23:54:22,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:22,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:22,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:22,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:22,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:22,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:22,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 175 transitions, 1989 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:22,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:22,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:22,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:23,832 INFO L124 PetriNetUnfolderBase]: 1348/2491 cut-off events. [2024-10-11 23:54:23,833 INFO L125 PetriNetUnfolderBase]: For 10755/10765 co-relation queries the response was YES. [2024-10-11 23:54:23,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 2491 events. 1348/2491 cut-off events. For 10755/10765 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14274 event pairs, 411 based on Foata normal form. 46/2393 useless extension candidates. Maximal degree in co-relation 10955. Up to 1219 conditions per place. [2024-10-11 23:54:23,861 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 160 selfloop transitions, 89 changer transitions 8/259 dead transitions. [2024-10-11 23:54:23,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 259 transitions, 2982 flow [2024-10-11 23:54:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 23:54:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-11 23:54:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 286 transitions. [2024-10-11 23:54:23,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2024-10-11 23:54:23,864 INFO L175 Difference]: Start difference. First operand has 155 places, 175 transitions, 1989 flow. Second operand 21 states and 286 transitions. [2024-10-11 23:54:23,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 259 transitions, 2982 flow [2024-10-11 23:54:23,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 259 transitions, 2818 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-10-11 23:54:23,963 INFO L231 Difference]: Finished difference. Result has 171 places, 192 transitions, 2285 flow [2024-10-11 23:54:23,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2285, PETRI_PLACES=171, PETRI_TRANSITIONS=192} [2024-10-11 23:54:23,966 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 126 predicate places. [2024-10-11 23:54:23,967 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 192 transitions, 2285 flow [2024-10-11 23:54:23,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:23,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:23,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:23,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:54:23,967 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:23,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -853563660, now seen corresponding path program 1 times [2024-10-11 23:54:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:23,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488594062] [2024-10-11 23:54:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:23,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:24,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:24,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488594062] [2024-10-11 23:54:24,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488594062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:24,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:24,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:24,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474395862] [2024-10-11 23:54:24,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:24,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:24,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:24,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:24,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:24,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:24,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 192 transitions, 2285 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:24,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:24,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:24,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:25,545 INFO L124 PetriNetUnfolderBase]: 1421/2624 cut-off events. [2024-10-11 23:54:25,545 INFO L125 PetriNetUnfolderBase]: For 13599/13609 co-relation queries the response was YES. [2024-10-11 23:54:25,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12594 conditions, 2624 events. 1421/2624 cut-off events. For 13599/13609 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 15389 event pairs, 534 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 12142. Up to 1803 conditions per place. [2024-10-11 23:54:25,574 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 194 selfloop transitions, 65 changer transitions 2/263 dead transitions. [2024-10-11 23:54:25,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 263 transitions, 3127 flow [2024-10-11 23:54:25,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 23:54:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 23:54:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 217 transitions. [2024-10-11 23:54:25,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2024-10-11 23:54:25,577 INFO L175 Difference]: Start difference. First operand has 171 places, 192 transitions, 2285 flow. Second operand 14 states and 217 transitions. [2024-10-11 23:54:25,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 263 transitions, 3127 flow [2024-10-11 23:54:25,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 263 transitions, 3020 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-10-11 23:54:25,703 INFO L231 Difference]: Finished difference. Result has 181 places, 200 transitions, 2458 flow [2024-10-11 23:54:25,705 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2182, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2458, PETRI_PLACES=181, PETRI_TRANSITIONS=200} [2024-10-11 23:54:25,706 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 136 predicate places. [2024-10-11 23:54:25,708 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 200 transitions, 2458 flow [2024-10-11 23:54:25,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:25,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:25,708 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:25,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 23:54:25,708 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:25,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 169149641, now seen corresponding path program 1 times [2024-10-11 23:54:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962986004] [2024-10-11 23:54:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:26,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:26,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962986004] [2024-10-11 23:54:26,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962986004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:26,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:26,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:26,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265635467] [2024-10-11 23:54:26,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:26,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:26,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:26,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:26,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:26,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:26,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 200 transitions, 2458 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:26,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:26,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:26,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:27,603 INFO L124 PetriNetUnfolderBase]: 1379/2562 cut-off events. [2024-10-11 23:54:27,603 INFO L125 PetriNetUnfolderBase]: For 18076/18086 co-relation queries the response was YES. [2024-10-11 23:54:27,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12617 conditions, 2562 events. 1379/2562 cut-off events. For 18076/18086 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 15021 event pairs, 490 based on Foata normal form. 46/2548 useless extension candidates. Maximal degree in co-relation 12250. Up to 1573 conditions per place. [2024-10-11 23:54:27,626 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 189 selfloop transitions, 71 changer transitions 16/278 dead transitions. [2024-10-11 23:54:27,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 278 transitions, 3347 flow [2024-10-11 23:54:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 23:54:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-11 23:54:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 259 transitions. [2024-10-11 23:54:27,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32702020202020204 [2024-10-11 23:54:27,628 INFO L175 Difference]: Start difference. First operand has 181 places, 200 transitions, 2458 flow. Second operand 18 states and 259 transitions. [2024-10-11 23:54:27,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 278 transitions, 3347 flow [2024-10-11 23:54:27,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 278 transitions, 3243 flow, removed 12 selfloop flow, removed 7 redundant places. [2024-10-11 23:54:27,758 INFO L231 Difference]: Finished difference. Result has 194 places, 203 transitions, 2557 flow [2024-10-11 23:54:27,759 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2362, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2557, PETRI_PLACES=194, PETRI_TRANSITIONS=203} [2024-10-11 23:54:27,760 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-10-11 23:54:27,760 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 203 transitions, 2557 flow [2024-10-11 23:54:27,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:27,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:27,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:27,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 23:54:27,761 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:27,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:27,761 INFO L85 PathProgramCache]: Analyzing trace with hash -585472834, now seen corresponding path program 1 times [2024-10-11 23:54:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:27,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903072701] [2024-10-11 23:54:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:27,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:28,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903072701] [2024-10-11 23:54:28,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903072701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:28,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:28,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:54:28,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638445480] [2024-10-11 23:54:28,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:28,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:54:28,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:28,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:54:28,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:54:28,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:28,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 203 transitions, 2557 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:28,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:28,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:28,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:28,945 INFO L124 PetriNetUnfolderBase]: 1437/2674 cut-off events. [2024-10-11 23:54:28,946 INFO L125 PetriNetUnfolderBase]: For 19937/19947 co-relation queries the response was YES. [2024-10-11 23:54:28,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13136 conditions, 2674 events. 1437/2674 cut-off events. For 19937/19947 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 15829 event pairs, 464 based on Foata normal form. 10/2648 useless extension candidates. Maximal degree in co-relation 12516. Up to 579 conditions per place. [2024-10-11 23:54:28,971 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 228 selfloop transitions, 87 changer transitions 0/317 dead transitions. [2024-10-11 23:54:28,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 317 transitions, 3888 flow [2024-10-11 23:54:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 23:54:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-11 23:54:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 281 transitions. [2024-10-11 23:54:28,974 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3547979797979798 [2024-10-11 23:54:28,974 INFO L175 Difference]: Start difference. First operand has 194 places, 203 transitions, 2557 flow. Second operand 18 states and 281 transitions. [2024-10-11 23:54:28,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 317 transitions, 3888 flow [2024-10-11 23:54:29,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 317 transitions, 3769 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-10-11 23:54:29,199 INFO L231 Difference]: Finished difference. Result has 208 places, 219 transitions, 2935 flow [2024-10-11 23:54:29,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2449, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2935, PETRI_PLACES=208, PETRI_TRANSITIONS=219} [2024-10-11 23:54:29,200 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 163 predicate places. [2024-10-11 23:54:29,200 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 219 transitions, 2935 flow [2024-10-11 23:54:29,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:29,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:29,201 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:29,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 23:54:29,201 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:29,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash -187265719, now seen corresponding path program 1 times [2024-10-11 23:54:29,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506395905] [2024-10-11 23:54:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:29,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:29,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506395905] [2024-10-11 23:54:29,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506395905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:29,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:29,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:29,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110861284] [2024-10-11 23:54:29,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:29,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:29,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:29,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:29,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 219 transitions, 2935 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:29,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:29,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:29,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:30,945 INFO L124 PetriNetUnfolderBase]: 1593/2998 cut-off events. [2024-10-11 23:54:30,945 INFO L125 PetriNetUnfolderBase]: For 28419/28429 co-relation queries the response was YES. [2024-10-11 23:54:30,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15573 conditions, 2998 events. 1593/2998 cut-off events. For 28419/28429 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18279 event pairs, 628 based on Foata normal form. 34/3032 useless extension candidates. Maximal degree in co-relation 15424. Up to 1153 conditions per place. [2024-10-11 23:54:30,974 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 200 selfloop transitions, 86 changer transitions 37/325 dead transitions. [2024-10-11 23:54:30,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 325 transitions, 4223 flow [2024-10-11 23:54:30,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:54:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-11 23:54:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 305 transitions. [2024-10-11 23:54:30,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30138339920948615 [2024-10-11 23:54:30,977 INFO L175 Difference]: Start difference. First operand has 208 places, 219 transitions, 2935 flow. Second operand 23 states and 305 transitions. [2024-10-11 23:54:30,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 325 transitions, 4223 flow [2024-10-11 23:54:31,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 325 transitions, 4003 flow, removed 47 selfloop flow, removed 7 redundant places. [2024-10-11 23:54:31,259 INFO L231 Difference]: Finished difference. Result has 225 places, 216 transitions, 2904 flow [2024-10-11 23:54:31,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2714, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2904, PETRI_PLACES=225, PETRI_TRANSITIONS=216} [2024-10-11 23:54:31,261 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 180 predicate places. [2024-10-11 23:54:31,261 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 216 transitions, 2904 flow [2024-10-11 23:54:31,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:31,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:31,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:31,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 23:54:31,262 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:31,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:31,264 INFO L85 PathProgramCache]: Analyzing trace with hash -78545847, now seen corresponding path program 2 times [2024-10-11 23:54:31,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:31,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814891492] [2024-10-11 23:54:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:31,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:32,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:32,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814891492] [2024-10-11 23:54:32,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814891492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:32,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:32,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:32,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667652259] [2024-10-11 23:54:32,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:32,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:32,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:32,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:32,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:32,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:32,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 216 transitions, 2904 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:32,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:32,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:32,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:33,345 INFO L124 PetriNetUnfolderBase]: 1722/3239 cut-off events. [2024-10-11 23:54:33,345 INFO L125 PetriNetUnfolderBase]: For 28317/28327 co-relation queries the response was YES. [2024-10-11 23:54:33,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16268 conditions, 3239 events. 1722/3239 cut-off events. For 28317/28327 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 20288 event pairs, 381 based on Foata normal form. 28/3267 useless extension candidates. Maximal degree in co-relation 15497. Up to 1166 conditions per place. [2024-10-11 23:54:33,374 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 208 selfloop transitions, 131 changer transitions 8/349 dead transitions. [2024-10-11 23:54:33,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 349 transitions, 4391 flow [2024-10-11 23:54:33,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 23:54:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-11 23:54:33,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 342 transitions. [2024-10-11 23:54:33,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-10-11 23:54:33,377 INFO L175 Difference]: Start difference. First operand has 225 places, 216 transitions, 2904 flow. Second operand 24 states and 342 transitions. [2024-10-11 23:54:33,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 349 transitions, 4391 flow [2024-10-11 23:54:33,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 349 transitions, 4176 flow, removed 23 selfloop flow, removed 17 redundant places. [2024-10-11 23:54:33,535 INFO L231 Difference]: Finished difference. Result has 227 places, 244 transitions, 3479 flow [2024-10-11 23:54:33,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2751, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3479, PETRI_PLACES=227, PETRI_TRANSITIONS=244} [2024-10-11 23:54:33,536 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 182 predicate places. [2024-10-11 23:54:33,537 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 244 transitions, 3479 flow [2024-10-11 23:54:33,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:33,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:33,537 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:33,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 23:54:33,538 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:33,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:33,539 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 3 times [2024-10-11 23:54:33,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:33,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460159210] [2024-10-11 23:54:33,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:33,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:34,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:34,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460159210] [2024-10-11 23:54:34,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460159210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:34,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:34,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:34,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817006323] [2024-10-11 23:54:34,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:34,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:34,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:34,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:34,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:34,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:34,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 244 transitions, 3479 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:34,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:34,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:34,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:35,797 INFO L124 PetriNetUnfolderBase]: 1754/3308 cut-off events. [2024-10-11 23:54:35,797 INFO L125 PetriNetUnfolderBase]: For 32251/32261 co-relation queries the response was YES. [2024-10-11 23:54:35,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17382 conditions, 3308 events. 1754/3308 cut-off events. For 32251/32261 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 20882 event pairs, 607 based on Foata normal form. 42/3350 useless extension candidates. Maximal degree in co-relation 16325. Up to 2197 conditions per place. [2024-10-11 23:54:35,827 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 254 selfloop transitions, 97 changer transitions 0/353 dead transitions. [2024-10-11 23:54:35,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 353 transitions, 4594 flow [2024-10-11 23:54:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 23:54:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-11 23:54:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-10-11 23:54:35,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-10-11 23:54:35,829 INFO L175 Difference]: Start difference. First operand has 227 places, 244 transitions, 3479 flow. Second operand 24 states and 338 transitions. [2024-10-11 23:54:35,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 353 transitions, 4594 flow [2024-10-11 23:54:36,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 353 transitions, 4532 flow, removed 22 selfloop flow, removed 5 redundant places. [2024-10-11 23:54:36,038 INFO L231 Difference]: Finished difference. Result has 250 places, 256 transitions, 3842 flow [2024-10-11 23:54:36,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3427, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3842, PETRI_PLACES=250, PETRI_TRANSITIONS=256} [2024-10-11 23:54:36,039 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 205 predicate places. [2024-10-11 23:54:36,039 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 256 transitions, 3842 flow [2024-10-11 23:54:36,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:36,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:36,039 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:36,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 23:54:36,040 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:36,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 2 times [2024-10-11 23:54:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183756478] [2024-10-11 23:54:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:36,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:36,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183756478] [2024-10-11 23:54:36,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183756478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:36,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:36,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:36,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132874068] [2024-10-11 23:54:36,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:36,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:36,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:36,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:36,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:36,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:36,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 256 transitions, 3842 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:36,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:36,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:36,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:37,888 INFO L124 PetriNetUnfolderBase]: 1721/3267 cut-off events. [2024-10-11 23:54:37,888 INFO L125 PetriNetUnfolderBase]: For 37345/37355 co-relation queries the response was YES. [2024-10-11 23:54:37,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17646 conditions, 3267 events. 1721/3267 cut-off events. For 37345/37355 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20747 event pairs, 595 based on Foata normal form. 46/3313 useless extension candidates. Maximal degree in co-relation 16661. Up to 2184 conditions per place. [2024-10-11 23:54:37,918 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 248 selfloop transitions, 92 changer transitions 10/352 dead transitions. [2024-10-11 23:54:37,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 352 transitions, 4792 flow [2024-10-11 23:54:37,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 23:54:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-11 23:54:37,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-10-11 23:54:37,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-10-11 23:54:37,922 INFO L175 Difference]: Start difference. First operand has 250 places, 256 transitions, 3842 flow. Second operand 24 states and 338 transitions. [2024-10-11 23:54:37,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 352 transitions, 4792 flow [2024-10-11 23:54:38,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 352 transitions, 4562 flow, removed 19 selfloop flow, removed 17 redundant places. [2024-10-11 23:54:38,124 INFO L231 Difference]: Finished difference. Result has 258 places, 251 transitions, 3824 flow [2024-10-11 23:54:38,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3566, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3824, PETRI_PLACES=258, PETRI_TRANSITIONS=251} [2024-10-11 23:54:38,125 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 213 predicate places. [2024-10-11 23:54:38,126 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 251 transitions, 3824 flow [2024-10-11 23:54:38,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:38,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:38,126 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:38,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 23:54:38,126 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:38,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1440492950, now seen corresponding path program 3 times [2024-10-11 23:54:38,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:38,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757547081] [2024-10-11 23:54:38,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:38,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:38,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:38,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757547081] [2024-10-11 23:54:38,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757547081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:38,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:38,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:38,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645264668] [2024-10-11 23:54:38,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:38,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:38,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:38,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:38,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:38,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:38,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 251 transitions, 3824 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:38,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:38,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:38,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:39,865 INFO L124 PetriNetUnfolderBase]: 1682/3230 cut-off events. [2024-10-11 23:54:39,866 INFO L125 PetriNetUnfolderBase]: For 39288/39298 co-relation queries the response was YES. [2024-10-11 23:54:39,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17867 conditions, 3230 events. 1682/3230 cut-off events. For 39288/39298 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20563 event pairs, 402 based on Foata normal form. 32/3262 useless extension candidates. Maximal degree in co-relation 16888. Up to 1160 conditions per place. [2024-10-11 23:54:39,895 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 227 selfloop transitions, 120 changer transitions 15/364 dead transitions. [2024-10-11 23:54:39,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 364 transitions, 5015 flow [2024-10-11 23:54:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 23:54:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-11 23:54:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-10-11 23:54:39,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-10-11 23:54:39,897 INFO L175 Difference]: Start difference. First operand has 258 places, 251 transitions, 3824 flow. Second operand 24 states and 341 transitions. [2024-10-11 23:54:39,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 364 transitions, 5015 flow [2024-10-11 23:54:40,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 364 transitions, 4814 flow, removed 28 selfloop flow, removed 18 redundant places. [2024-10-11 23:54:40,111 INFO L231 Difference]: Finished difference. Result has 264 places, 251 transitions, 4006 flow [2024-10-11 23:54:40,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3612, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=4006, PETRI_PLACES=264, PETRI_TRANSITIONS=251} [2024-10-11 23:54:40,112 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 219 predicate places. [2024-10-11 23:54:40,112 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 251 transitions, 4006 flow [2024-10-11 23:54:40,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:40,113 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:40,113 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:40,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 23:54:40,113 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:40,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:40,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1652744168, now seen corresponding path program 4 times [2024-10-11 23:54:40,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:40,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850841484] [2024-10-11 23:54:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:40,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:40,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:40,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850841484] [2024-10-11 23:54:40,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850841484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:40,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:40,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:40,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562641519] [2024-10-11 23:54:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:40,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:40,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:40,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:40,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 251 transitions, 4006 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:40,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:40,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:40,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:42,069 INFO L124 PetriNetUnfolderBase]: 1760/3392 cut-off events. [2024-10-11 23:54:42,069 INFO L125 PetriNetUnfolderBase]: For 43116/43126 co-relation queries the response was YES. [2024-10-11 23:54:42,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19054 conditions, 3392 events. 1760/3392 cut-off events. For 43116/43126 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 21960 event pairs, 579 based on Foata normal form. 26/3418 useless extension candidates. Maximal degree in co-relation 18542. Up to 2328 conditions per place. [2024-10-11 23:54:42,107 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 280 selfloop transitions, 93 changer transitions 0/375 dead transitions. [2024-10-11 23:54:42,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 375 transitions, 5321 flow [2024-10-11 23:54:42,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 23:54:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-11 23:54:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2024-10-11 23:54:42,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2024-10-11 23:54:42,108 INFO L175 Difference]: Start difference. First operand has 264 places, 251 transitions, 4006 flow. Second operand 22 states and 310 transitions. [2024-10-11 23:54:42,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 375 transitions, 5321 flow [2024-10-11 23:54:42,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 375 transitions, 5124 flow, removed 13 selfloop flow, removed 20 redundant places. [2024-10-11 23:54:42,351 INFO L231 Difference]: Finished difference. Result has 275 places, 279 transitions, 4391 flow [2024-10-11 23:54:42,351 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3825, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4391, PETRI_PLACES=275, PETRI_TRANSITIONS=279} [2024-10-11 23:54:42,351 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 230 predicate places. [2024-10-11 23:54:42,351 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 279 transitions, 4391 flow [2024-10-11 23:54:42,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:42,352 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:42,352 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:42,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 23:54:42,352 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:42,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:42,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2024-10-11 23:54:42,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:42,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660728295] [2024-10-11 23:54:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:42,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:42,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:42,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660728295] [2024-10-11 23:54:42,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660728295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:42,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:42,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:42,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164884936] [2024-10-11 23:54:42,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:42,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:42,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:42,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:42,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:42,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:42,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 279 transitions, 4391 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:42,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:42,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:42,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:44,052 INFO L124 PetriNetUnfolderBase]: 1927/3696 cut-off events. [2024-10-11 23:54:44,053 INFO L125 PetriNetUnfolderBase]: For 49839/49849 co-relation queries the response was YES. [2024-10-11 23:54:44,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21620 conditions, 3696 events. 1927/3696 cut-off events. For 49839/49849 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24332 event pairs, 437 based on Foata normal form. 28/3724 useless extension candidates. Maximal degree in co-relation 21108. Up to 1521 conditions per place. [2024-10-11 23:54:44,092 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 219 selfloop transitions, 172 changer transitions 10/403 dead transitions. [2024-10-11 23:54:44,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 403 transitions, 6153 flow [2024-10-11 23:54:44,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:54:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-11 23:54:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 313 transitions. [2024-10-11 23:54:44,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3092885375494071 [2024-10-11 23:54:44,094 INFO L175 Difference]: Start difference. First operand has 275 places, 279 transitions, 4391 flow. Second operand 23 states and 313 transitions. [2024-10-11 23:54:44,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 403 transitions, 6153 flow [2024-10-11 23:54:44,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 403 transitions, 5925 flow, removed 62 selfloop flow, removed 8 redundant places. [2024-10-11 23:54:44,347 INFO L231 Difference]: Finished difference. Result has 299 places, 312 transitions, 5241 flow [2024-10-11 23:54:44,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4195, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5241, PETRI_PLACES=299, PETRI_TRANSITIONS=312} [2024-10-11 23:54:44,348 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 254 predicate places. [2024-10-11 23:54:44,348 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 312 transitions, 5241 flow [2024-10-11 23:54:44,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:44,349 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:44,349 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:44,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 23:54:44,349 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:44,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:44,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2024-10-11 23:54:44,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:44,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789986694] [2024-10-11 23:54:44,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:44,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:44,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:44,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789986694] [2024-10-11 23:54:44,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789986694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:44,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:44,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:44,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092819358] [2024-10-11 23:54:44,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:44,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:44,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:44,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:44,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:44,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:44,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 312 transitions, 5241 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:44,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:44,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:44,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:46,238 INFO L124 PetriNetUnfolderBase]: 1913/3692 cut-off events. [2024-10-11 23:54:46,238 INFO L125 PetriNetUnfolderBase]: For 61565/61575 co-relation queries the response was YES. [2024-10-11 23:54:46,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22766 conditions, 3692 events. 1913/3692 cut-off events. For 61565/61575 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 24483 event pairs, 411 based on Foata normal form. 32/3724 useless extension candidates. Maximal degree in co-relation 22282. Up to 1431 conditions per place. [2024-10-11 23:54:46,283 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 234 selfloop transitions, 164 changer transitions 17/417 dead transitions. [2024-10-11 23:54:46,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 417 transitions, 6624 flow [2024-10-11 23:54:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:54:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-11 23:54:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 319 transitions. [2024-10-11 23:54:46,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31521739130434784 [2024-10-11 23:54:46,285 INFO L175 Difference]: Start difference. First operand has 299 places, 312 transitions, 5241 flow. Second operand 23 states and 319 transitions. [2024-10-11 23:54:46,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 417 transitions, 6624 flow [2024-10-11 23:54:46,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 417 transitions, 6437 flow, removed 45 selfloop flow, removed 10 redundant places. [2024-10-11 23:54:46,638 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 5561 flow [2024-10-11 23:54:46,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5025, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5561, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2024-10-11 23:54:46,639 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 269 predicate places. [2024-10-11 23:54:46,640 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 5561 flow [2024-10-11 23:54:46,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:46,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:46,640 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:46,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 23:54:46,640 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:46,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:46,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 5 times [2024-10-11 23:54:46,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:46,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435577189] [2024-10-11 23:54:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:46,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:47,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:47,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435577189] [2024-10-11 23:54:47,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435577189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:47,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:47,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:47,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327996084] [2024-10-11 23:54:47,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:47,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:47,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:47,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:47,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:47,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:47,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 5561 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:47,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:47,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:47,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:48,586 INFO L124 PetriNetUnfolderBase]: 1863/3609 cut-off events. [2024-10-11 23:54:48,586 INFO L125 PetriNetUnfolderBase]: For 65228/65238 co-relation queries the response was YES. [2024-10-11 23:54:48,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22725 conditions, 3609 events. 1863/3609 cut-off events. For 65228/65238 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 23895 event pairs, 611 based on Foata normal form. 32/3641 useless extension candidates. Maximal degree in co-relation 22297. Up to 2484 conditions per place. [2024-10-11 23:54:48,625 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 296 selfloop transitions, 95 changer transitions 10/403 dead transitions. [2024-10-11 23:54:48,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 403 transitions, 6685 flow [2024-10-11 23:54:48,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:54:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 23:54:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 287 transitions. [2024-10-11 23:54:48,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3261363636363636 [2024-10-11 23:54:48,627 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 5561 flow. Second operand 20 states and 287 transitions. [2024-10-11 23:54:48,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 403 transitions, 6685 flow [2024-10-11 23:54:48,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 403 transitions, 6422 flow, removed 13 selfloop flow, removed 19 redundant places. [2024-10-11 23:54:48,983 INFO L231 Difference]: Finished difference. Result has 316 places, 313 transitions, 5514 flow [2024-10-11 23:54:48,983 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5271, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5514, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2024-10-11 23:54:48,984 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 271 predicate places. [2024-10-11 23:54:48,984 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 5514 flow [2024-10-11 23:54:48,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:48,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:48,985 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:48,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 23:54:48,985 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:48,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:48,985 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 6 times [2024-10-11 23:54:48,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:48,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066448727] [2024-10-11 23:54:48,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:48,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:49,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:49,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066448727] [2024-10-11 23:54:49,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066448727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:49,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:49,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:49,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625049459] [2024-10-11 23:54:49,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:49,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:49,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:49,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:49,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:49,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:49,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 5514 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:49,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:49,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:49,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:51,207 INFO L124 PetriNetUnfolderBase]: 1932/3783 cut-off events. [2024-10-11 23:54:51,208 INFO L125 PetriNetUnfolderBase]: For 65967/65977 co-relation queries the response was YES. [2024-10-11 23:54:51,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23249 conditions, 3783 events. 1932/3783 cut-off events. For 65967/65977 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 25765 event pairs, 440 based on Foata normal form. 52/3835 useless extension candidates. Maximal degree in co-relation 23074. Up to 1079 conditions per place. [2024-10-11 23:54:51,251 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 278 selfloop transitions, 176 changer transitions 7/463 dead transitions. [2024-10-11 23:54:51,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 463 transitions, 7404 flow [2024-10-11 23:54:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 23:54:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-10-11 23:54:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 417 transitions. [2024-10-11 23:54:51,253 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3057184750733138 [2024-10-11 23:54:51,253 INFO L175 Difference]: Start difference. First operand has 316 places, 313 transitions, 5514 flow. Second operand 31 states and 417 transitions. [2024-10-11 23:54:51,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 463 transitions, 7404 flow [2024-10-11 23:54:51,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 463 transitions, 7175 flow, removed 35 selfloop flow, removed 19 redundant places. [2024-10-11 23:54:51,658 INFO L231 Difference]: Finished difference. Result has 332 places, 343 transitions, 6370 flow [2024-10-11 23:54:51,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5197, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=6370, PETRI_PLACES=332, PETRI_TRANSITIONS=343} [2024-10-11 23:54:51,659 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 287 predicate places. [2024-10-11 23:54:51,659 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 343 transitions, 6370 flow [2024-10-11 23:54:51,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:51,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:51,660 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:51,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 23:54:51,660 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:51,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:51,660 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2024-10-11 23:54:51,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:51,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486897474] [2024-10-11 23:54:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:52,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:52,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486897474] [2024-10-11 23:54:52,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486897474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:52,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:52,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:52,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918816330] [2024-10-11 23:54:52,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:52,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:52,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:52,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:52,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:52,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:52,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 343 transitions, 6370 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:52,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:52,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:52,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:53,773 INFO L124 PetriNetUnfolderBase]: 1910/3746 cut-off events. [2024-10-11 23:54:53,774 INFO L125 PetriNetUnfolderBase]: For 72817/72827 co-relation queries the response was YES. [2024-10-11 23:54:53,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24170 conditions, 3746 events. 1910/3746 cut-off events. For 72817/72827 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 25474 event pairs, 418 based on Foata normal form. 32/3778 useless extension candidates. Maximal degree in co-relation 23892. Up to 1602 conditions per place. [2024-10-11 23:54:53,815 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 284 selfloop transitions, 147 changer transitions 13/446 dead transitions. [2024-10-11 23:54:53,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 446 transitions, 7553 flow [2024-10-11 23:54:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 23:54:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-11 23:54:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 361 transitions. [2024-10-11 23:54:53,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3155594405594406 [2024-10-11 23:54:53,816 INFO L175 Difference]: Start difference. First operand has 332 places, 343 transitions, 6370 flow. Second operand 26 states and 361 transitions. [2024-10-11 23:54:53,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 446 transitions, 7553 flow [2024-10-11 23:54:54,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 446 transitions, 7274 flow, removed 77 selfloop flow, removed 16 redundant places. [2024-10-11 23:54:54,305 INFO L231 Difference]: Finished difference. Result has 342 places, 337 transitions, 6387 flow [2024-10-11 23:54:54,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6021, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6387, PETRI_PLACES=342, PETRI_TRANSITIONS=337} [2024-10-11 23:54:54,306 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 297 predicate places. [2024-10-11 23:54:54,306 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 337 transitions, 6387 flow [2024-10-11 23:54:54,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:54,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:54,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:54,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 23:54:54,307 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:54,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2007132949, now seen corresponding path program 2 times [2024-10-11 23:54:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:54,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607704990] [2024-10-11 23:54:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:54,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607704990] [2024-10-11 23:54:54,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607704990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:54,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:54,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097049277] [2024-10-11 23:54:54,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:54,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:54,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:54,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:54,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:54,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 337 transitions, 6387 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:54,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:54,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:54,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:56,104 INFO L124 PetriNetUnfolderBase]: 1967/3852 cut-off events. [2024-10-11 23:54:56,104 INFO L125 PetriNetUnfolderBase]: For 67946/67956 co-relation queries the response was YES. [2024-10-11 23:54:56,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24143 conditions, 3852 events. 1967/3852 cut-off events. For 67946/67956 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 26320 event pairs, 668 based on Foata normal form. 34/3886 useless extension candidates. Maximal degree in co-relation 23908. Up to 2426 conditions per place. [2024-10-11 23:54:56,148 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 265 selfloop transitions, 141 changer transitions 12/420 dead transitions. [2024-10-11 23:54:56,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 420 transitions, 7817 flow [2024-10-11 23:54:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 23:54:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-11 23:54:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 321 transitions. [2024-10-11 23:54:56,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28059440559440557 [2024-10-11 23:54:56,150 INFO L175 Difference]: Start difference. First operand has 342 places, 337 transitions, 6387 flow. Second operand 26 states and 321 transitions. [2024-10-11 23:54:56,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 420 transitions, 7817 flow [2024-10-11 23:54:56,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 420 transitions, 7554 flow, removed 15 selfloop flow, removed 24 redundant places. [2024-10-11 23:54:56,521 INFO L231 Difference]: Finished difference. Result has 343 places, 348 transitions, 6643 flow [2024-10-11 23:54:56,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6124, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6643, PETRI_PLACES=343, PETRI_TRANSITIONS=348} [2024-10-11 23:54:56,521 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 298 predicate places. [2024-10-11 23:54:56,521 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 348 transitions, 6643 flow [2024-10-11 23:54:56,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:56,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:56,522 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:56,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 23:54:56,522 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:56,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:56,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2002664298, now seen corresponding path program 2 times [2024-10-11 23:54:56,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:56,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051445708] [2024-10-11 23:54:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:56,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:56,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:56,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051445708] [2024-10-11 23:54:56,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051445708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:56,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:56,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:56,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550744689] [2024-10-11 23:54:56,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:56,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:54:56,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:54:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:54:56,847 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:56,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 348 transitions, 6643 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:56,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:56,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:56,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:57,915 INFO L124 PetriNetUnfolderBase]: 2183/4502 cut-off events. [2024-10-11 23:54:57,915 INFO L125 PetriNetUnfolderBase]: For 74799/74805 co-relation queries the response was YES. [2024-10-11 23:54:57,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27225 conditions, 4502 events. 2183/4502 cut-off events. For 74799/74805 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 34230 event pairs, 398 based on Foata normal form. 40/4542 useless extension candidates. Maximal degree in co-relation 26936. Up to 1686 conditions per place. [2024-10-11 23:54:57,971 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 384 selfloop transitions, 153 changer transitions 0/539 dead transitions. [2024-10-11 23:54:57,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 539 transitions, 10711 flow [2024-10-11 23:54:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 23:54:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-11 23:54:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 201 transitions. [2024-10-11 23:54:57,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3806818181818182 [2024-10-11 23:54:57,972 INFO L175 Difference]: Start difference. First operand has 343 places, 348 transitions, 6643 flow. Second operand 12 states and 201 transitions. [2024-10-11 23:54:57,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 539 transitions, 10711 flow [2024-10-11 23:54:58,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 539 transitions, 10510 flow, removed 37 selfloop flow, removed 9 redundant places. [2024-10-11 23:54:58,383 INFO L231 Difference]: Finished difference. Result has 347 places, 388 transitions, 7585 flow [2024-10-11 23:54:58,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6355, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7585, PETRI_PLACES=347, PETRI_TRANSITIONS=388} [2024-10-11 23:54:58,384 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 302 predicate places. [2024-10-11 23:54:58,384 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 388 transitions, 7585 flow [2024-10-11 23:54:58,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:58,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:58,384 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:58,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 23:54:58,385 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:58,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:58,385 INFO L85 PathProgramCache]: Analyzing trace with hash 241016384, now seen corresponding path program 7 times [2024-10-11 23:54:58,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:58,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665682688] [2024-10-11 23:54:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:58,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:58,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665682688] [2024-10-11 23:54:58,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665682688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:58,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:58,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:58,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703259305] [2024-10-11 23:54:58,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:58,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:58,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:58,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:58,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:58,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:54:58,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 388 transitions, 7585 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:58,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:58,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:54:58,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:00,451 INFO L124 PetriNetUnfolderBase]: 2586/5283 cut-off events. [2024-10-11 23:55:00,452 INFO L125 PetriNetUnfolderBase]: For 99283/99289 co-relation queries the response was YES. [2024-10-11 23:55:00,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34085 conditions, 5283 events. 2586/5283 cut-off events. For 99283/99289 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 40690 event pairs, 832 based on Foata normal form. 118/5401 useless extension candidates. Maximal degree in co-relation 33718. Up to 2876 conditions per place. [2024-10-11 23:55:00,518 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 425 selfloop transitions, 122 changer transitions 10/559 dead transitions. [2024-10-11 23:55:00,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 559 transitions, 10973 flow [2024-10-11 23:55:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:55:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 23:55:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2024-10-11 23:55:00,520 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-10-11 23:55:00,520 INFO L175 Difference]: Start difference. First operand has 347 places, 388 transitions, 7585 flow. Second operand 20 states and 285 transitions. [2024-10-11 23:55:00,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 559 transitions, 10973 flow [2024-10-11 23:55:01,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 559 transitions, 10887 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-10-11 23:55:01,081 INFO L231 Difference]: Finished difference. Result has 366 places, 409 transitions, 8493 flow [2024-10-11 23:55:01,082 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7501, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8493, PETRI_PLACES=366, PETRI_TRANSITIONS=409} [2024-10-11 23:55:01,083 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 321 predicate places. [2024-10-11 23:55:01,083 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 409 transitions, 8493 flow [2024-10-11 23:55:01,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:01,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:01,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:01,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 23:55:01,083 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:01,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:01,084 INFO L85 PathProgramCache]: Analyzing trace with hash -586834104, now seen corresponding path program 3 times [2024-10-11 23:55:01,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:01,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773442851] [2024-10-11 23:55:01,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:01,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:55:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:55:01,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:55:01,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773442851] [2024-10-11 23:55:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773442851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:55:01,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:55:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:55:01,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461029953] [2024-10-11 23:55:01,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:55:01,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:55:01,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:55:01,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:55:01,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:55:01,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:55:01,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 409 transitions, 8493 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:01,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:55:01,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:55:01,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:03,013 INFO L124 PetriNetUnfolderBase]: 2511/5147 cut-off events. [2024-10-11 23:55:03,013 INFO L125 PetriNetUnfolderBase]: For 100014/100016 co-relation queries the response was YES. [2024-10-11 23:55:03,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34382 conditions, 5147 events. 2511/5147 cut-off events. For 100014/100016 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 39587 event pairs, 1037 based on Foata normal form. 26/5173 useless extension candidates. Maximal degree in co-relation 34029. Up to 4282 conditions per place. [2024-10-11 23:55:03,070 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 336 selfloop transitions, 70 changer transitions 46/454 dead transitions. [2024-10-11 23:55:03,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 454 transitions, 9623 flow [2024-10-11 23:55:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 23:55:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-11 23:55:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 203 transitions. [2024-10-11 23:55:03,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.30757575757575756 [2024-10-11 23:55:03,072 INFO L175 Difference]: Start difference. First operand has 366 places, 409 transitions, 8493 flow. Second operand 15 states and 203 transitions. [2024-10-11 23:55:03,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 454 transitions, 9623 flow [2024-10-11 23:55:03,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 454 transitions, 9403 flow, removed 23 selfloop flow, removed 15 redundant places. [2024-10-11 23:55:03,677 INFO L231 Difference]: Finished difference. Result has 365 places, 385 transitions, 7868 flow [2024-10-11 23:55:03,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8247, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7868, PETRI_PLACES=365, PETRI_TRANSITIONS=385} [2024-10-11 23:55:03,678 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 320 predicate places. [2024-10-11 23:55:03,678 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 385 transitions, 7868 flow [2024-10-11 23:55:03,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:03,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:03,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:03,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 23:55:03,679 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:03,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:03,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1897245546, now seen corresponding path program 8 times [2024-10-11 23:55:03,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:03,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378822779] [2024-10-11 23:55:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:03,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:55:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:55:04,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:55:04,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378822779] [2024-10-11 23:55:04,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378822779] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:55:04,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:55:04,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:55:04,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934766570] [2024-10-11 23:55:04,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:55:04,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:55:04,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:55:04,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:55:04,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:55:04,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:55:04,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 385 transitions, 7868 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:04,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:55:04,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:55:04,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:05,961 INFO L124 PetriNetUnfolderBase]: 2623/5456 cut-off events. [2024-10-11 23:55:05,961 INFO L125 PetriNetUnfolderBase]: For 108048/108050 co-relation queries the response was YES. [2024-10-11 23:55:06,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35298 conditions, 5456 events. 2623/5456 cut-off events. For 108048/108050 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 43215 event pairs, 835 based on Foata normal form. 114/5570 useless extension candidates. Maximal degree in co-relation 34982. Up to 2971 conditions per place. [2024-10-11 23:55:06,035 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 384 selfloop transitions, 134 changer transitions 16/536 dead transitions. [2024-10-11 23:55:06,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 536 transitions, 10597 flow [2024-10-11 23:55:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 23:55:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-11 23:55:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 331 transitions. [2024-10-11 23:55:06,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3134469696969697 [2024-10-11 23:55:06,036 INFO L175 Difference]: Start difference. First operand has 365 places, 385 transitions, 7868 flow. Second operand 24 states and 331 transitions. [2024-10-11 23:55:06,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 536 transitions, 10597 flow [2024-10-11 23:55:06,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 536 transitions, 10391 flow, removed 33 selfloop flow, removed 14 redundant places. [2024-10-11 23:55:06,706 INFO L231 Difference]: Finished difference. Result has 370 places, 401 transitions, 8449 flow [2024-10-11 23:55:06,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7674, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=8449, PETRI_PLACES=370, PETRI_TRANSITIONS=401} [2024-10-11 23:55:06,707 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 325 predicate places. [2024-10-11 23:55:06,707 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 401 transitions, 8449 flow [2024-10-11 23:55:06,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:06,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:06,708 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:06,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 23:55:06,708 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:06,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:06,708 INFO L85 PathProgramCache]: Analyzing trace with hash -935204185, now seen corresponding path program 7 times [2024-10-11 23:55:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:06,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964656694] [2024-10-11 23:55:06,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:55:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:55:07,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:55:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964656694] [2024-10-11 23:55:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964656694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:55:07,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:55:07,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:55:07,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918387071] [2024-10-11 23:55:07,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:55:07,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:55:07,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:55:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:55:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:55:07,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:55:07,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 401 transitions, 8449 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:07,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:55:07,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:55:07,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:08,597 INFO L124 PetriNetUnfolderBase]: 2487/5226 cut-off events. [2024-10-11 23:55:08,597 INFO L125 PetriNetUnfolderBase]: For 91643/91645 co-relation queries the response was YES. [2024-10-11 23:55:08,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33284 conditions, 5226 events. 2487/5226 cut-off events. For 91643/91645 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 41267 event pairs, 962 based on Foata normal form. 76/5302 useless extension candidates. Maximal degree in co-relation 32979. Up to 3595 conditions per place. [2024-10-11 23:55:08,668 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 420 selfloop transitions, 98 changer transitions 11/531 dead transitions. [2024-10-11 23:55:08,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 531 transitions, 10974 flow [2024-10-11 23:55:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:55:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 23:55:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 273 transitions. [2024-10-11 23:55:08,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31022727272727274 [2024-10-11 23:55:08,669 INFO L175 Difference]: Start difference. First operand has 370 places, 401 transitions, 8449 flow. Second operand 20 states and 273 transitions. [2024-10-11 23:55:08,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 531 transitions, 10974 flow [2024-10-11 23:55:09,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 531 transitions, 10664 flow, removed 45 selfloop flow, removed 12 redundant places. [2024-10-11 23:55:09,303 INFO L231 Difference]: Finished difference. Result has 379 places, 401 transitions, 8452 flow [2024-10-11 23:55:09,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8176, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8452, PETRI_PLACES=379, PETRI_TRANSITIONS=401} [2024-10-11 23:55:09,304 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 334 predicate places. [2024-10-11 23:55:09,304 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 401 transitions, 8452 flow [2024-10-11 23:55:09,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:09,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:09,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:09,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 23:55:09,304 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:09,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:09,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830187, now seen corresponding path program 3 times [2024-10-11 23:55:09,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:09,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114649027] [2024-10-11 23:55:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:55:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:55:09,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:55:09,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114649027] [2024-10-11 23:55:09,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114649027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:55:09,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:55:09,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:55:09,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660495180] [2024-10-11 23:55:09,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:55:09,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:55:09,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:55:09,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:55:09,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:55:09,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:55:09,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 401 transitions, 8452 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:09,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:55:09,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:55:09,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:11,290 INFO L124 PetriNetUnfolderBase]: 2430/5121 cut-off events. [2024-10-11 23:55:11,291 INFO L125 PetriNetUnfolderBase]: For 85628/85630 co-relation queries the response was YES. [2024-10-11 23:55:11,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32185 conditions, 5121 events. 2430/5121 cut-off events. For 85628/85630 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 40391 event pairs, 890 based on Foata normal form. 38/5159 useless extension candidates. Maximal degree in co-relation 31831. Up to 3713 conditions per place. [2024-10-11 23:55:11,358 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 315 selfloop transitions, 152 changer transitions 2/471 dead transitions. [2024-10-11 23:55:11,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 471 transitions, 9748 flow [2024-10-11 23:55:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 23:55:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-10-11 23:55:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 314 transitions. [2024-10-11 23:55:11,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28545454545454546 [2024-10-11 23:55:11,360 INFO L175 Difference]: Start difference. First operand has 379 places, 401 transitions, 8452 flow. Second operand 25 states and 314 transitions. [2024-10-11 23:55:11,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 471 transitions, 9748 flow [2024-10-11 23:55:11,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 471 transitions, 9586 flow, removed 9 selfloop flow, removed 17 redundant places. [2024-10-11 23:55:11,914 INFO L231 Difference]: Finished difference. Result has 387 places, 402 transitions, 8640 flow [2024-10-11 23:55:11,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8278, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=8640, PETRI_PLACES=387, PETRI_TRANSITIONS=402} [2024-10-11 23:55:11,915 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 342 predicate places. [2024-10-11 23:55:11,915 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 402 transitions, 8640 flow [2024-10-11 23:55:11,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:11,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:11,916 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:11,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 23:55:11,916 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:11,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1541137387, now seen corresponding path program 8 times [2024-10-11 23:55:11,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:11,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641599772] [2024-10-11 23:55:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:55:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:55:12,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:55:12,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641599772] [2024-10-11 23:55:12,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641599772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:55:12,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:55:12,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:55:12,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080895264] [2024-10-11 23:55:12,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:55:12,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:55:12,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:55:12,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:55:12,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:55:12,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:55:12,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 402 transitions, 8640 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:12,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:55:12,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:55:12,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:13,936 INFO L124 PetriNetUnfolderBase]: 2358/5011 cut-off events. [2024-10-11 23:55:13,937 INFO L125 PetriNetUnfolderBase]: For 83605/83607 co-relation queries the response was YES. [2024-10-11 23:55:13,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31205 conditions, 5011 events. 2358/5011 cut-off events. For 83605/83607 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 39734 event pairs, 918 based on Foata normal form. 76/5087 useless extension candidates. Maximal degree in co-relation 30866. Up to 3091 conditions per place. [2024-10-11 23:55:14,003 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 370 selfloop transitions, 129 changer transitions 11/512 dead transitions. [2024-10-11 23:55:14,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 512 transitions, 10571 flow [2024-10-11 23:55:14,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:55:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-11 23:55:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 314 transitions. [2024-10-11 23:55:14,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3102766798418972 [2024-10-11 23:55:14,004 INFO L175 Difference]: Start difference. First operand has 387 places, 402 transitions, 8640 flow. Second operand 23 states and 314 transitions. [2024-10-11 23:55:14,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 512 transitions, 10571 flow [2024-10-11 23:55:14,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 512 transitions, 10411 flow, removed 8 selfloop flow, removed 13 redundant places. [2024-10-11 23:55:14,570 INFO L231 Difference]: Finished difference. Result has 397 places, 399 transitions, 8739 flow [2024-10-11 23:55:14,571 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8475, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=8739, PETRI_PLACES=397, PETRI_TRANSITIONS=399} [2024-10-11 23:55:14,572 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 352 predicate places. [2024-10-11 23:55:14,572 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 399 transitions, 8739 flow [2024-10-11 23:55:14,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:14,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:14,572 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:14,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 23:55:14,573 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:14,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1142623072, now seen corresponding path program 4 times [2024-10-11 23:55:14,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:14,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124075958] [2024-10-11 23:55:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:55:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:55:14,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:55:14,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124075958] [2024-10-11 23:55:14,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124075958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:55:14,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:55:14,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:55:14,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435235756] [2024-10-11 23:55:14,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:55:14,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:55:14,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:55:14,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:55:14,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:55:14,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-10-11 23:55:14,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 399 transitions, 8739 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:14,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:55:14,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-10-11 23:55:14,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:55:16,256 INFO L124 PetriNetUnfolderBase]: 2249/4773 cut-off events. [2024-10-11 23:55:16,257 INFO L125 PetriNetUnfolderBase]: For 81818/81820 co-relation queries the response was YES. [2024-10-11 23:55:16,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30279 conditions, 4773 events. 2249/4773 cut-off events. For 81818/81820 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 37619 event pairs, 758 based on Foata normal form. 38/4811 useless extension candidates. Maximal degree in co-relation 29957. Up to 1276 conditions per place. [2024-10-11 23:55:16,310 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 271 selfloop transitions, 180 changer transitions 39/492 dead transitions. [2024-10-11 23:55:16,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 492 transitions, 10281 flow [2024-10-11 23:55:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:55:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 23:55:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 296 transitions. [2024-10-11 23:55:16,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33636363636363636 [2024-10-11 23:55:16,311 INFO L175 Difference]: Start difference. First operand has 397 places, 399 transitions, 8739 flow. Second operand 20 states and 296 transitions. [2024-10-11 23:55:16,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 492 transitions, 10281 flow [2024-10-11 23:55:16,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 492 transitions, 10109 flow, removed 6 selfloop flow, removed 19 redundant places. [2024-10-11 23:55:16,829 INFO L231 Difference]: Finished difference. Result has 395 places, 385 transitions, 8502 flow [2024-10-11 23:55:16,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8544, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8502, PETRI_PLACES=395, PETRI_TRANSITIONS=385} [2024-10-11 23:55:16,830 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 350 predicate places. [2024-10-11 23:55:16,830 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 385 transitions, 8502 flow [2024-10-11 23:55:16,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:55:16,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:55:16,830 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:55:16,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 23:55:16,831 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:55:16,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:55:16,831 INFO L85 PathProgramCache]: Analyzing trace with hash -509705144, now seen corresponding path program 9 times [2024-10-11 23:55:16,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:55:16,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326603036] [2024-10-11 23:55:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:55:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:55:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat