./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:54:29,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:54:29,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:54:29,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:54:29,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:54:29,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:54:29,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:54:29,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:54:29,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:54:29,740 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:54:29,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:54:29,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:54:29,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:54:29,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:54:29,741 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:54:29,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:54:29,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:54:29,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:54:29,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:54:29,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:54:29,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:54:29,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:54:29,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:54:29,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:54:29,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:54:29,744 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:54:29,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:54:29,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:54:29,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:54:29,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:54:29,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:54:29,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:54:29,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:54:29,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:54:29,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:29,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:54:29,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:54:29,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:54:29,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:54:29,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:54:29,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:54:29,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:54:29,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:54:29,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:54:29,748 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-11-19 13:54:29,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:54:29,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:54:29,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:54:29,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:54:29,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:54:29,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-19 13:54:31,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:54:31,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:54:31,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-19 13:54:31,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de11c5f55/90f3a2cb819943c7a7afd897e67d72b3/FLAG76edf0e01 [2024-11-19 13:54:31,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de11c5f55/90f3a2cb819943c7a7afd897e67d72b3 [2024-11-19 13:54:31,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:54:31,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:54:31,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:31,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:54:31,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:54:31,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecfc0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31, skipping insertion in model container [2024-11-19 13:54:31,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:32,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:54:32,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:32,559 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:54:32,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:32,749 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:54:32,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32 WrapperNode [2024-11-19 13:54:32,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:32,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:32,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:54:32,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:54:32,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,850 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-11-19 13:54:32,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:32,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:54:32,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:54:32,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:54:32,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,920 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-11-19 13:54:32,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:54:32,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:54:32,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:54:32,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:54:32,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (1/1) ... [2024-11-19 13:54:32,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:54:33,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:54:33,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:54:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-19 13:54:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-19 13:54:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:54:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:54:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:54:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:54:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 13:54:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:54:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:54:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:54:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:54:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:54:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:54:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:54:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:54:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:54:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:54:33,108 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:54:33,480 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:54:33,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:54:33,788 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:54:33,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:54:34,063 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:54:34,064 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:54:34,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:34 BoogieIcfgContainer [2024-11-19 13:54:34,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:54:34,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:54:34,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:54:34,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:54:34,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:54:31" (1/3) ... [2024-11-19 13:54:34,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce941a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:34, skipping insertion in model container [2024-11-19 13:54:34,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:32" (2/3) ... [2024-11-19 13:54:34,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce941a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:34, skipping insertion in model container [2024-11-19 13:54:34,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:34" (3/3) ... [2024-11-19 13:54:34,072 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-11-19 13:54:34,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:54:34,084 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:54:34,085 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:54:34,121 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 13:54:34,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 104 flow [2024-11-19 13:54:34,165 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2024-11-19 13:54:34,166 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 13:54:34,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 48 events. 2/48 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-11-19 13:54:34,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 104 flow [2024-11-19 13:54:34,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 39 transitions, 87 flow [2024-11-19 13:54:34,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:54:34,180 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;@443de629, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:54:34,181 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:54:34,186 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:54:34,186 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-19 13:54:34,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:54:34,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:34,187 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:34,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:34,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash -18686460, now seen corresponding path program 1 times [2024-11-19 13:54:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:34,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125775691] [2024-11-19 13:54:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:34,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:34,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125775691] [2024-11-19 13:54:34,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125775691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:34,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:34,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881107187] [2024-11-19 13:54:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:34,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:34,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:34,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:34,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:34,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 87 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:34,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:34,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:34,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:35,786 INFO L124 PetriNetUnfolderBase]: 2305/3802 cut-off events. [2024-11-19 13:54:35,786 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-19 13:54:35,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7572 conditions, 3802 events. 2305/3802 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 21412 event pairs, 1459 based on Foata normal form. 0/3314 useless extension candidates. Maximal degree in co-relation 7480. Up to 2586 conditions per place. [2024-11-19 13:54:35,835 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 74 selfloop transitions, 14 changer transitions 3/95 dead transitions. [2024-11-19 13:54:35,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 95 transitions, 396 flow [2024-11-19 13:54:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:54:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 13:54:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2024-11-19 13:54:35,846 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41944444444444445 [2024-11-19 13:54:35,848 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 8 states and 151 transitions. [2024-11-19 13:54:35,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 95 transitions, 396 flow [2024-11-19 13:54:35,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 95 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:35,860 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 181 flow [2024-11-19 13:54:35,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=181, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2024-11-19 13:54:35,864 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2024-11-19 13:54:35,865 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 181 flow [2024-11-19 13:54:35,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:35,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:35,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:35,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:54:35,866 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:35,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2017334278, now seen corresponding path program 1 times [2024-11-19 13:54:35,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:35,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857586965] [2024-11-19 13:54:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:35,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:36,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857586965] [2024-11-19 13:54:36,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857586965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:36,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:36,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:36,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713998683] [2024-11-19 13:54:36,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:36,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:36,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:36,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:36,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 181 flow. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:36,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:36,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:36,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:36,647 INFO L124 PetriNetUnfolderBase]: 2865/4764 cut-off events. [2024-11-19 13:54:36,647 INFO L125 PetriNetUnfolderBase]: For 1135/1137 co-relation queries the response was YES. [2024-11-19 13:54:36,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10958 conditions, 4764 events. 2865/4764 cut-off events. For 1135/1137 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 28546 event pairs, 1875 based on Foata normal form. 2/4348 useless extension candidates. Maximal degree in co-relation 10013. Up to 3562 conditions per place. [2024-11-19 13:54:36,667 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 76 selfloop transitions, 18 changer transitions 5/103 dead transitions. [2024-11-19 13:54:36,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 103 transitions, 534 flow [2024-11-19 13:54:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:54:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 13:54:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 148 transitions. [2024-11-19 13:54:36,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4111111111111111 [2024-11-19 13:54:36,672 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 181 flow. Second operand 8 states and 148 transitions. [2024-11-19 13:54:36,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 103 transitions, 534 flow [2024-11-19 13:54:36,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 103 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:36,682 INFO L231 Difference]: Finished difference. Result has 66 places, 65 transitions, 307 flow [2024-11-19 13:54:36,682 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=307, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2024-11-19 13:54:36,684 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2024-11-19 13:54:36,685 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 307 flow [2024-11-19 13:54:36,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:36,685 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:36,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:36,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:54:36,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:36,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2085034683, now seen corresponding path program 1 times [2024-11-19 13:54:36,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:36,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857492590] [2024-11-19 13:54:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:37,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:37,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857492590] [2024-11-19 13:54:37,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857492590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:37,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:37,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:54:37,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465677176] [2024-11-19 13:54:37,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:37,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:54:37,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:37,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:54:37,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:54:37,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:37,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 307 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:37,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:37,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:37,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:37,713 INFO L124 PetriNetUnfolderBase]: 3338/5581 cut-off events. [2024-11-19 13:54:37,714 INFO L125 PetriNetUnfolderBase]: For 3282/3290 co-relation queries the response was YES. [2024-11-19 13:54:37,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14456 conditions, 5581 events. 3338/5581 cut-off events. For 3282/3290 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 34753 event pairs, 2168 based on Foata normal form. 85/5354 useless extension candidates. Maximal degree in co-relation 14322. Up to 3435 conditions per place. [2024-11-19 13:54:37,738 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 89 selfloop transitions, 19 changer transitions 3/115 dead transitions. [2024-11-19 13:54:37,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 115 transitions, 691 flow [2024-11-19 13:54:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:54:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 13:54:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2024-11-19 13:54:37,741 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2024-11-19 13:54:37,742 INFO L175 Difference]: Start difference. First operand has 66 places, 65 transitions, 307 flow. Second operand 7 states and 140 transitions. [2024-11-19 13:54:37,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 115 transitions, 691 flow [2024-11-19 13:54:37,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 115 transitions, 673 flow, removed 4 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:37,755 INFO L231 Difference]: Finished difference. Result has 75 places, 77 transitions, 419 flow [2024-11-19 13:54:37,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=419, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2024-11-19 13:54:37,756 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2024-11-19 13:54:37,757 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 419 flow [2024-11-19 13:54:37,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:37,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:37,757 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:37,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:54:37,758 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:37,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash 259224701, now seen corresponding path program 1 times [2024-11-19 13:54:37,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:37,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723677520] [2024-11-19 13:54:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:37,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:38,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:38,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723677520] [2024-11-19 13:54:38,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723677520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:38,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:38,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:54:38,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502411978] [2024-11-19 13:54:38,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:38,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:54:38,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:38,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:54:38,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:54:38,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:38,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 419 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:38,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:38,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:38,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:38,775 INFO L124 PetriNetUnfolderBase]: 3799/6378 cut-off events. [2024-11-19 13:54:38,776 INFO L125 PetriNetUnfolderBase]: For 6305/6309 co-relation queries the response was YES. [2024-11-19 13:54:38,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18142 conditions, 6378 events. 3799/6378 cut-off events. For 6305/6309 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 41011 event pairs, 2513 based on Foata normal form. 84/6128 useless extension candidates. Maximal degree in co-relation 16728. Up to 4274 conditions per place. [2024-11-19 13:54:38,810 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 95 selfloop transitions, 22 changer transitions 5/126 dead transitions. [2024-11-19 13:54:38,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 126 transitions, 878 flow [2024-11-19 13:54:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:54:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 13:54:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2024-11-19 13:54:38,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44126984126984126 [2024-11-19 13:54:38,812 INFO L175 Difference]: Start difference. First operand has 75 places, 77 transitions, 419 flow. Second operand 7 states and 139 transitions. [2024-11-19 13:54:38,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 126 transitions, 878 flow [2024-11-19 13:54:38,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 126 transitions, 852 flow, removed 12 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:38,839 INFO L231 Difference]: Finished difference. Result has 84 places, 89 transitions, 571 flow [2024-11-19 13:54:38,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=571, PETRI_PLACES=84, PETRI_TRANSITIONS=89} [2024-11-19 13:54:38,840 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2024-11-19 13:54:38,840 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 89 transitions, 571 flow [2024-11-19 13:54:38,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:38,841 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:38,841 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:38,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:54:38,841 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:38,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:38,842 INFO L85 PathProgramCache]: Analyzing trace with hash 195835628, now seen corresponding path program 1 times [2024-11-19 13:54:38,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:38,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373557427] [2024-11-19 13:54:38,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:38,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:39,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:39,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373557427] [2024-11-19 13:54:39,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373557427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:39,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:39,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:54:39,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226823469] [2024-11-19 13:54:39,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:39,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:54:39,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:39,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:54:39,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:54:39,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:39,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 89 transitions, 571 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:39,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:39,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:39,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:40,574 INFO L124 PetriNetUnfolderBase]: 6918/12313 cut-off events. [2024-11-19 13:54:40,574 INFO L125 PetriNetUnfolderBase]: For 13690/13701 co-relation queries the response was YES. [2024-11-19 13:54:40,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33815 conditions, 12313 events. 6918/12313 cut-off events. For 13690/13701 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 95864 event pairs, 739 based on Foata normal form. 198/11958 useless extension candidates. Maximal degree in co-relation 33655. Up to 3356 conditions per place. [2024-11-19 13:54:40,633 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 193 selfloop transitions, 38 changer transitions 12/247 dead transitions. [2024-11-19 13:54:40,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 247 transitions, 1841 flow [2024-11-19 13:54:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 259 transitions. [2024-11-19 13:54:40,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5232323232323233 [2024-11-19 13:54:40,636 INFO L175 Difference]: Start difference. First operand has 84 places, 89 transitions, 571 flow. Second operand 11 states and 259 transitions. [2024-11-19 13:54:40,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 247 transitions, 1841 flow [2024-11-19 13:54:40,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 247 transitions, 1789 flow, removed 24 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:40,670 INFO L231 Difference]: Finished difference. Result has 101 places, 117 transitions, 884 flow [2024-11-19 13:54:40,670 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=884, PETRI_PLACES=101, PETRI_TRANSITIONS=117} [2024-11-19 13:54:40,670 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 55 predicate places. [2024-11-19 13:54:40,671 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 117 transitions, 884 flow [2024-11-19 13:54:40,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:40,671 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:40,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:54:40,671 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:40,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:40,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2060421204, now seen corresponding path program 2 times [2024-11-19 13:54:40,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:40,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613545221] [2024-11-19 13:54:40,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:40,695 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:40,695 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:40,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:40,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613545221] [2024-11-19 13:54:40,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613545221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:40,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:40,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:54:40,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265751296] [2024-11-19 13:54:40,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:40,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:54:40,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:40,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:54:40,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:54:40,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:40,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 117 transitions, 884 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:40,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:40,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:44,050 INFO L124 PetriNetUnfolderBase]: 9440/16841 cut-off events. [2024-11-19 13:54:44,050 INFO L125 PetriNetUnfolderBase]: For 51814/51855 co-relation queries the response was YES. [2024-11-19 13:54:44,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60451 conditions, 16841 events. 9440/16841 cut-off events. For 51814/51855 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 138847 event pairs, 1198 based on Foata normal form. 305/16504 useless extension candidates. Maximal degree in co-relation 51511. Up to 4325 conditions per place. [2024-11-19 13:54:44,324 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 234 selfloop transitions, 122 changer transitions 24/384 dead transitions. [2024-11-19 13:54:44,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 384 transitions, 3423 flow [2024-11-19 13:54:44,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 401 transitions. [2024-11-19 13:54:44,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49506172839506174 [2024-11-19 13:54:44,327 INFO L175 Difference]: Start difference. First operand has 101 places, 117 transitions, 884 flow. Second operand 18 states and 401 transitions. [2024-11-19 13:54:44,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 384 transitions, 3423 flow [2024-11-19 13:54:44,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 384 transitions, 3322 flow, removed 34 selfloop flow, removed 2 redundant places. [2024-11-19 13:54:44,608 INFO L231 Difference]: Finished difference. Result has 131 places, 219 transitions, 2233 flow [2024-11-19 13:54:44,609 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2233, PETRI_PLACES=131, PETRI_TRANSITIONS=219} [2024-11-19 13:54:44,610 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 85 predicate places. [2024-11-19 13:54:44,611 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 219 transitions, 2233 flow [2024-11-19 13:54:44,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:44,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:44,611 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:44,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:54:44,612 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:44,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:44,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1153900652, now seen corresponding path program 1 times [2024-11-19 13:54:44,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:44,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38874545] [2024-11-19 13:54:44,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:44,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:44,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:44,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38874545] [2024-11-19 13:54:44,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38874545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:44,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:44,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:54:44,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748940161] [2024-11-19 13:54:44,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:44,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:54:44,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:44,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:54:44,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:54:44,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:44,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 219 transitions, 2233 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:44,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:44,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:44,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:47,998 INFO L124 PetriNetUnfolderBase]: 11280/20499 cut-off events. [2024-11-19 13:54:47,999 INFO L125 PetriNetUnfolderBase]: For 116321/116362 co-relation queries the response was YES. [2024-11-19 13:54:48,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87258 conditions, 20499 events. 11280/20499 cut-off events. For 116321/116362 co-relation queries the response was YES. Maximal size of possible extension queue 1073. Compared 177672 event pairs, 1175 based on Foata normal form. 468/20290 useless extension candidates. Maximal degree in co-relation 81356. Up to 6650 conditions per place. [2024-11-19 13:54:48,177 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 330 selfloop transitions, 152 changer transitions 68/554 dead transitions. [2024-11-19 13:54:48,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 554 transitions, 6628 flow [2024-11-19 13:54:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 262 transitions. [2024-11-19 13:54:48,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5292929292929293 [2024-11-19 13:54:48,179 INFO L175 Difference]: Start difference. First operand has 131 places, 219 transitions, 2233 flow. Second operand 11 states and 262 transitions. [2024-11-19 13:54:48,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 554 transitions, 6628 flow [2024-11-19 13:54:49,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 554 transitions, 6308 flow, removed 159 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:49,551 INFO L231 Difference]: Finished difference. Result has 148 places, 325 transitions, 3783 flow [2024-11-19 13:54:49,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=2057, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3783, PETRI_PLACES=148, PETRI_TRANSITIONS=325} [2024-11-19 13:54:49,552 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 102 predicate places. [2024-11-19 13:54:49,553 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 325 transitions, 3783 flow [2024-11-19 13:54:49,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:49,553 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:49,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:54:49,553 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:49,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:49,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1938711532, now seen corresponding path program 2 times [2024-11-19 13:54:49,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:49,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113510047] [2024-11-19 13:54:49,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:49,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:49,571 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:49,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:49,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:49,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113510047] [2024-11-19 13:54:49,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113510047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:49,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:49,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:54:49,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526530335] [2024-11-19 13:54:49,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:49,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:54:49,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:49,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:54:49,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:54:49,724 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:49,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 325 transitions, 3783 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:49,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:49,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:54,934 INFO L124 PetriNetUnfolderBase]: 13475/24717 cut-off events. [2024-11-19 13:54:54,934 INFO L125 PetriNetUnfolderBase]: For 221609/221702 co-relation queries the response was YES. [2024-11-19 13:54:55,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123605 conditions, 24717 events. 13475/24717 cut-off events. For 221609/221702 co-relation queries the response was YES. Maximal size of possible extension queue 1352. Compared 222800 event pairs, 1725 based on Foata normal form. 462/24457 useless extension candidates. Maximal degree in co-relation 115054. Up to 7505 conditions per place. [2024-11-19 13:54:55,303 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 283 selfloop transitions, 343 changer transitions 70/700 dead transitions. [2024-11-19 13:54:55,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 700 transitions, 9514 flow [2024-11-19 13:54:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 416 transitions. [2024-11-19 13:54:55,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5135802469135803 [2024-11-19 13:54:55,305 INFO L175 Difference]: Start difference. First operand has 148 places, 325 transitions, 3783 flow. Second operand 18 states and 416 transitions. [2024-11-19 13:54:55,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 700 transitions, 9514 flow [2024-11-19 13:54:57,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 700 transitions, 9283 flow, removed 114 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:57,296 INFO L231 Difference]: Finished difference. Result has 178 places, 483 transitions, 6858 flow [2024-11-19 13:54:57,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=3674, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6858, PETRI_PLACES=178, PETRI_TRANSITIONS=483} [2024-11-19 13:54:57,297 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 132 predicate places. [2024-11-19 13:54:57,297 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 483 transitions, 6858 flow [2024-11-19 13:54:57,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:57,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:57,297 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:57,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:54:57,298 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:57,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1233529339, now seen corresponding path program 1 times [2024-11-19 13:54:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886296165] [2024-11-19 13:54:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:57,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:57,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886296165] [2024-11-19 13:54:57,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886296165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:57,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:57,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:57,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977383760] [2024-11-19 13:54:57,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:57,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:57,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:57,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:57,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:54:57,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 483 transitions, 6858 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:57,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:57,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:54:57,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:02,911 INFO L124 PetriNetUnfolderBase]: 14177/26075 cut-off events. [2024-11-19 13:55:02,911 INFO L125 PetriNetUnfolderBase]: For 348243/348353 co-relation queries the response was YES. [2024-11-19 13:55:03,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151343 conditions, 26075 events. 14177/26075 cut-off events. For 348243/348353 co-relation queries the response was YES. Maximal size of possible extension queue 1409. Compared 238749 event pairs, 1990 based on Foata normal form. 234/25533 useless extension candidates. Maximal degree in co-relation 147418. Up to 13982 conditions per place. [2024-11-19 13:55:03,231 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 614 selfloop transitions, 187 changer transitions 21/826 dead transitions. [2024-11-19 13:55:03,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 826 transitions, 13252 flow [2024-11-19 13:55:03,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:55:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:55:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 203 transitions. [2024-11-19 13:55:03,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45111111111111113 [2024-11-19 13:55:03,234 INFO L175 Difference]: Start difference. First operand has 178 places, 483 transitions, 6858 flow. Second operand 10 states and 203 transitions. [2024-11-19 13:55:03,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 826 transitions, 13252 flow [2024-11-19 13:55:07,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 826 transitions, 12772 flow, removed 153 selfloop flow, removed 2 redundant places. [2024-11-19 13:55:07,509 INFO L231 Difference]: Finished difference. Result has 191 places, 569 transitions, 8281 flow [2024-11-19 13:55:07,509 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=6514, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8281, PETRI_PLACES=191, PETRI_TRANSITIONS=569} [2024-11-19 13:55:07,510 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 145 predicate places. [2024-11-19 13:55:07,510 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 569 transitions, 8281 flow [2024-11-19 13:55:07,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:07,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:07,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:07,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:55:07,511 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:07,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1294297318, now seen corresponding path program 1 times [2024-11-19 13:55:07,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973869749] [2024-11-19 13:55:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:07,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:07,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:07,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973869749] [2024-11-19 13:55:07,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973869749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:07,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:07,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:55:07,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985353719] [2024-11-19 13:55:07,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:07,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:55:07,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:07,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:55:07,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:07,860 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:55:07,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 569 transitions, 8281 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:07,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:07,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:55:07,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:13,599 INFO L124 PetriNetUnfolderBase]: 14687/27366 cut-off events. [2024-11-19 13:55:13,599 INFO L125 PetriNetUnfolderBase]: For 388550/388653 co-relation queries the response was YES. [2024-11-19 13:55:14,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166973 conditions, 27366 events. 14687/27366 cut-off events. For 388550/388653 co-relation queries the response was YES. Maximal size of possible extension queue 1466. Compared 255406 event pairs, 2123 based on Foata normal form. 318/26803 useless extension candidates. Maximal degree in co-relation 165011. Up to 8850 conditions per place. [2024-11-19 13:55:14,146 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 702 selfloop transitions, 286 changer transitions 40/1032 dead transitions. [2024-11-19 13:55:14,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 1032 transitions, 16846 flow [2024-11-19 13:55:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:55:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:55:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 233 transitions. [2024-11-19 13:55:14,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43148148148148147 [2024-11-19 13:55:14,148 INFO L175 Difference]: Start difference. First operand has 191 places, 569 transitions, 8281 flow. Second operand 12 states and 233 transitions. [2024-11-19 13:55:14,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 1032 transitions, 16846 flow [2024-11-19 13:55:18,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 1032 transitions, 16758 flow, removed 23 selfloop flow, removed 2 redundant places. [2024-11-19 13:55:18,673 INFO L231 Difference]: Finished difference. Result has 204 places, 659 transitions, 10648 flow [2024-11-19 13:55:18,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=7932, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10648, PETRI_PLACES=204, PETRI_TRANSITIONS=659} [2024-11-19 13:55:18,674 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 158 predicate places. [2024-11-19 13:55:18,674 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 659 transitions, 10648 flow [2024-11-19 13:55:18,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:18,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:18,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:18,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:55:18,675 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:18,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash -826949136, now seen corresponding path program 2 times [2024-11-19 13:55:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:18,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969318356] [2024-11-19 13:55:18,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:18,694 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:18,695 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:19,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969318356] [2024-11-19 13:55:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969318356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:19,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:19,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:55:19,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219305140] [2024-11-19 13:55:19,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:19,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:55:19,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:19,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:55:19,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:55:19,091 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:55:19,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 659 transitions, 10648 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:19,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:19,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:55:19,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:26,057 INFO L124 PetriNetUnfolderBase]: 16361/30872 cut-off events. [2024-11-19 13:55:26,058 INFO L125 PetriNetUnfolderBase]: For 500261/500394 co-relation queries the response was YES. [2024-11-19 13:55:26,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199760 conditions, 30872 events. 16361/30872 cut-off events. For 500261/500394 co-relation queries the response was YES. Maximal size of possible extension queue 1665. Compared 297660 event pairs, 7893 based on Foata normal form. 200/30061 useless extension candidates. Maximal degree in co-relation 197592. Up to 24569 conditions per place. [2024-11-19 13:55:26,811 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 713 selfloop transitions, 43 changer transitions 31/791 dead transitions. [2024-11-19 13:55:26,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 791 transitions, 13896 flow [2024-11-19 13:55:26,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:55:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:55:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2024-11-19 13:55:26,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4066666666666667 [2024-11-19 13:55:26,813 INFO L175 Difference]: Start difference. First operand has 204 places, 659 transitions, 10648 flow. Second operand 10 states and 183 transitions. [2024-11-19 13:55:26,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 791 transitions, 13896 flow [2024-11-19 13:55:33,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 791 transitions, 13733 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-11-19 13:55:33,247 INFO L231 Difference]: Finished difference. Result has 212 places, 685 transitions, 10951 flow [2024-11-19 13:55:33,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=10518, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10951, PETRI_PLACES=212, PETRI_TRANSITIONS=685} [2024-11-19 13:55:33,249 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 166 predicate places. [2024-11-19 13:55:33,249 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 685 transitions, 10951 flow [2024-11-19 13:55:33,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:33,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:33,249 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:33,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:55:33,249 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:33,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:33,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1268601626, now seen corresponding path program 3 times [2024-11-19 13:55:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:33,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79722036] [2024-11-19 13:55:33,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:33,266 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:33,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:33,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:33,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79722036] [2024-11-19 13:55:33,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79722036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:33,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:33,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:55:33,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700944110] [2024-11-19 13:55:33,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:33,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:55:33,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:33,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:55:33,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:33,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:55:33,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 685 transitions, 10951 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:33,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:33,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:55:33,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:41,950 INFO L124 PetriNetUnfolderBase]: 19635/37684 cut-off events. [2024-11-19 13:55:41,950 INFO L125 PetriNetUnfolderBase]: For 611336/611522 co-relation queries the response was YES. [2024-11-19 13:55:42,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241271 conditions, 37684 events. 19635/37684 cut-off events. For 611336/611522 co-relation queries the response was YES. Maximal size of possible extension queue 2020. Compared 378681 event pairs, 4800 based on Foata normal form. 496/36927 useless extension candidates. Maximal degree in co-relation 239200. Up to 14855 conditions per place. [2024-11-19 13:55:42,690 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 738 selfloop transitions, 358 changer transitions 2/1102 dead transitions. [2024-11-19 13:55:42,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 1102 transitions, 19088 flow [2024-11-19 13:55:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:55:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:55:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 243 transitions. [2024-11-19 13:55:42,693 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45 [2024-11-19 13:55:42,693 INFO L175 Difference]: Start difference. First operand has 212 places, 685 transitions, 10951 flow. Second operand 12 states and 243 transitions. [2024-11-19 13:55:42,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 1102 transitions, 19088 flow [2024-11-19 13:55:51,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 1102 transitions, 19005 flow, removed 19 selfloop flow, removed 3 redundant places. [2024-11-19 13:55:51,426 INFO L231 Difference]: Finished difference. Result has 226 places, 760 transitions, 13661 flow [2024-11-19 13:55:51,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=10835, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13661, PETRI_PLACES=226, PETRI_TRANSITIONS=760} [2024-11-19 13:55:51,428 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 180 predicate places. [2024-11-19 13:55:51,428 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 760 transitions, 13661 flow [2024-11-19 13:55:51,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:51,428 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:51,428 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:51,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:55:51,428 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:51,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2017101613, now seen corresponding path program 2 times [2024-11-19 13:55:51,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646044345] [2024-11-19 13:55:51,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:51,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:51,447 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:51,448 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:51,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:51,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646044345] [2024-11-19 13:55:51,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646044345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:51,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:51,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:55:51,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346878410] [2024-11-19 13:55:51,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:51,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:55:51,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:51,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:55:51,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:55:51,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-19 13:55:51,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 760 transitions, 13661 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:51,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:51,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-19 13:55:51,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand