./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 023d838f 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.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:13:29,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:13:29,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:13:29,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:13:29,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:13:29,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:13:29,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:13:29,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:13:29,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:13:29,819 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:13:29,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:13:29,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:13:29,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:13:29,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:13:29,822 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:13:29,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:13:29,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:13:29,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:13:29,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:13:29,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:13:29,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:13:29,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:13:29,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:13:29,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:13:29,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:13:29,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:13:29,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:13:29,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:13:29,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:13:29,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:13:29,831 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:13:29,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:13:29,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:13:29,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:13:29,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:13:29,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:13:29,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:13:29,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:13:29,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:13:29,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:13:29,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:13:29,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:13:29,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:13:29,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:13:29,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-11-10 22:13:30,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:13:30,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:13:30,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:13:30,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:13:30,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:13:30,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-10 22:13:31,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:13:31,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:13:31,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-11-10 22:13:31,992 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8cb007ee/dae4a8ed953a42dd9d453e42f1b80985/FLAGd54e2e122 [2024-11-10 22:13:32,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8cb007ee/dae4a8ed953a42dd9d453e42f1b80985 [2024-11-10 22:13:32,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:13:32,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:13:32,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:13:32,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:13:32,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:13:32,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a647547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32, skipping insertion in model container [2024-11-10 22:13:32,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:13:32,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:13:32,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:13:32,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:13:32,797 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:13:32,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32 WrapperNode [2024-11-10 22:13:32,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:13:32,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:13:32,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:13:32,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:13:32,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,861 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-11-10 22:13:32,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:13:32,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:13:32,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:13:32,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:13:32,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,892 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 15, 2]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 8, 2]. [2024-11-10 22:13:32,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:13:32,919 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:13:32,919 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:13:32,919 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:13:32,920 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (1/1) ... [2024-11-10 22:13:32,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:13:32,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:13:32,966 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) [2024-11-10 22:13:32,972 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 [2024-11-10 22:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-10 22:13:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-10 22:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 22:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 22:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 22:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 22:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 22:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 22:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:13:33,028 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:13:33,286 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:13:33,287 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:13:33,515 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:13:33,515 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:13:33,688 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:13:33,690 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:13:33,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:13:33 BoogieIcfgContainer [2024-11-10 22:13:33,691 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:13:33,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:13:33,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:13:33,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:13:33,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:13:32" (1/3) ... [2024-11-10 22:13:33,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0cce71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:13:33, skipping insertion in model container [2024-11-10 22:13:33,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:13:32" (2/3) ... [2024-11-10 22:13:33,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0cce71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:13:33, skipping insertion in model container [2024-11-10 22:13:33,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:13:33" (3/3) ... [2024-11-10 22:13:33,701 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-11-10 22:13:33,717 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:13:33,718 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 22:13:33,718 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:13:33,770 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 22:13:33,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 104 flow [2024-11-10 22:13:33,843 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2024-11-10 22:13:33,844 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 22:13:33,846 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 88 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. [2024-11-10 22:13:33,847 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 104 flow [2024-11-10 22:13:33,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 39 transitions, 87 flow [2024-11-10 22:13:33,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:13:33,866 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;@2b235beb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:13:33,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 22:13:33,880 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:13:33,880 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-10 22:13:33,880 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:13:33,881 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:33,882 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:33,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:33,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:33,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2134859708, now seen corresponding path program 1 times [2024-11-10 22:13:33,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:33,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385691756] [2024-11-10 22:13:33,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:33,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:34,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:34,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385691756] [2024-11-10 22:13:34,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385691756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:34,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:34,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 22:13:34,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24842633] [2024-11-10 22:13:34,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:34,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:13:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:34,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:13:34,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:13:34,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:34,931 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) [2024-11-10 22:13:34,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:34,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:34,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:35,746 INFO L124 PetriNetUnfolderBase]: 1735/2896 cut-off events. [2024-11-10 22:13:35,747 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-10 22:13:35,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5694 conditions, 2896 events. 1735/2896 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 15602 event pairs, 304 based on Foata normal form. 0/2512 useless extension candidates. Maximal degree in co-relation 5594. Up to 1188 conditions per place. [2024-11-10 22:13:35,777 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 117 selfloop transitions, 22 changer transitions 0/143 dead transitions. [2024-11-10 22:13:35,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 143 transitions, 582 flow [2024-11-10 22:13:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 22:13:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 22:13:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 212 transitions. [2024-11-10 22:13:35,791 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4711111111111111 [2024-11-10 22:13:35,792 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 10 states and 212 transitions. [2024-11-10 22:13:35,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 143 transitions, 582 flow [2024-11-10 22:13:35,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 143 transitions, 574 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 22:13:35,803 INFO L231 Difference]: Finished difference. Result has 56 places, 62 transitions, 223 flow [2024-11-10 22:13:35,805 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=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=223, PETRI_PLACES=56, PETRI_TRANSITIONS=62} [2024-11-10 22:13:35,812 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 10 predicate places. [2024-11-10 22:13:35,812 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 62 transitions, 223 flow [2024-11-10 22:13:35,812 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) [2024-11-10 22:13:35,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:35,813 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:35,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:13:35,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:35,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2134859709, now seen corresponding path program 1 times [2024-11-10 22:13:35,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:35,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209252867] [2024-11-10 22:13:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:36,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:36,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209252867] [2024-11-10 22:13:36,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209252867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:36,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:36,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 22:13:36,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131601708] [2024-11-10 22:13:36,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:36,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:13:36,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:36,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:13:36,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:13:36,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:36,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 62 transitions, 223 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) [2024-11-10 22:13:36,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:36,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:36,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:36,845 INFO L124 PetriNetUnfolderBase]: 1889/3105 cut-off events. [2024-11-10 22:13:36,845 INFO L125 PetriNetUnfolderBase]: For 1246/1246 co-relation queries the response was YES. [2024-11-10 22:13:36,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7429 conditions, 3105 events. 1889/3105 cut-off events. For 1246/1246 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 16495 event pairs, 642 based on Foata normal form. 102/3049 useless extension candidates. Maximal degree in co-relation 7325. Up to 1612 conditions per place. [2024-11-10 22:13:36,865 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 97 selfloop transitions, 19 changer transitions 3/123 dead transitions. [2024-11-10 22:13:36,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 123 transitions, 638 flow [2024-11-10 22:13:36,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 22:13:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 22:13:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 145 transitions. [2024-11-10 22:13:36,869 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4027777777777778 [2024-11-10 22:13:36,870 INFO L175 Difference]: Start difference. First operand has 56 places, 62 transitions, 223 flow. Second operand 8 states and 145 transitions. [2024-11-10 22:13:36,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 123 transitions, 638 flow [2024-11-10 22:13:36,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 123 transitions, 636 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:36,891 INFO L231 Difference]: Finished difference. Result has 68 places, 79 transitions, 372 flow [2024-11-10 22:13:36,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=372, PETRI_PLACES=68, PETRI_TRANSITIONS=79} [2024-11-10 22:13:36,891 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 22 predicate places. [2024-11-10 22:13:36,892 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 79 transitions, 372 flow [2024-11-10 22:13:36,892 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) [2024-11-10 22:13:36,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:36,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:36,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:13:36,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:36,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:36,896 INFO L85 PathProgramCache]: Analyzing trace with hash 95147984, now seen corresponding path program 1 times [2024-11-10 22:13:36,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:36,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301066935] [2024-11-10 22:13:36,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:36,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:37,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:37,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301066935] [2024-11-10 22:13:37,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301066935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:37,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:37,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 22:13:37,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090912398] [2024-11-10 22:13:37,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:37,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:13:37,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:37,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:13:37,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:13:37,288 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:37,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 79 transitions, 372 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) [2024-11-10 22:13:37,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:37,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:37,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:38,019 INFO L124 PetriNetUnfolderBase]: 1905/3158 cut-off events. [2024-11-10 22:13:38,020 INFO L125 PetriNetUnfolderBase]: For 3411/3411 co-relation queries the response was YES. [2024-11-10 22:13:38,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8563 conditions, 3158 events. 1905/3158 cut-off events. For 3411/3411 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16854 event pairs, 419 based on Foata normal form. 0/3108 useless extension candidates. Maximal degree in co-relation 7753. Up to 1392 conditions per place. [2024-11-10 22:13:38,040 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 145 selfloop transitions, 48 changer transitions 0/197 dead transitions. [2024-11-10 22:13:38,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 197 transitions, 1301 flow [2024-11-10 22:13:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 22:13:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 22:13:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 209 transitions. [2024-11-10 22:13:38,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46444444444444444 [2024-11-10 22:13:38,045 INFO L175 Difference]: Start difference. First operand has 68 places, 79 transitions, 372 flow. Second operand 10 states and 209 transitions. [2024-11-10 22:13:38,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 197 transitions, 1301 flow [2024-11-10 22:13:38,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 197 transitions, 1299 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:38,062 INFO L231 Difference]: Finished difference. Result has 81 places, 109 transitions, 719 flow [2024-11-10 22:13:38,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=719, PETRI_PLACES=81, PETRI_TRANSITIONS=109} [2024-11-10 22:13:38,063 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 35 predicate places. [2024-11-10 22:13:38,063 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 109 transitions, 719 flow [2024-11-10 22:13:38,063 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) [2024-11-10 22:13:38,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:38,064 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:38,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:13:38,064 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:38,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:38,065 INFO L85 PathProgramCache]: Analyzing trace with hash 95147985, now seen corresponding path program 1 times [2024-11-10 22:13:38,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:38,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535696592] [2024-11-10 22:13:38,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:38,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:38,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535696592] [2024-11-10 22:13:38,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535696592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:38,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:38,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 22:13:38,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003691125] [2024-11-10 22:13:38,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:38,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:13:38,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:38,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:13:38,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:13:38,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:38,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 109 transitions, 719 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) [2024-11-10 22:13:38,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:38,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:38,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:38,951 INFO L124 PetriNetUnfolderBase]: 2052/3377 cut-off events. [2024-11-10 22:13:38,952 INFO L125 PetriNetUnfolderBase]: For 5978/5980 co-relation queries the response was YES. [2024-11-10 22:13:38,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10513 conditions, 3377 events. 2052/3377 cut-off events. For 5978/5980 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 18053 event pairs, 590 based on Foata normal form. 98/3475 useless extension candidates. Maximal degree in co-relation 9547. Up to 1702 conditions per place. [2024-11-10 22:13:38,977 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 145 selfloop transitions, 30 changer transitions 2/181 dead transitions. [2024-11-10 22:13:38,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 181 transitions, 1470 flow [2024-11-10 22:13:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 22:13:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 22:13:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-11-10 22:13:38,980 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4 [2024-11-10 22:13:38,980 INFO L175 Difference]: Start difference. First operand has 81 places, 109 transitions, 719 flow. Second operand 8 states and 144 transitions. [2024-11-10 22:13:38,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 181 transitions, 1470 flow [2024-11-10 22:13:39,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 181 transitions, 1470 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 22:13:39,016 INFO L231 Difference]: Finished difference. Result has 94 places, 130 transitions, 1009 flow [2024-11-10 22:13:39,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1009, PETRI_PLACES=94, PETRI_TRANSITIONS=130} [2024-11-10 22:13:39,016 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 48 predicate places. [2024-11-10 22:13:39,017 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 130 transitions, 1009 flow [2024-11-10 22:13:39,017 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) [2024-11-10 22:13:39,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:39,018 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:39,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:13:39,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:39,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash -951160946, now seen corresponding path program 1 times [2024-11-10 22:13:39,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:39,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31674808] [2024-11-10 22:13:39,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:39,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:39,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:39,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31674808] [2024-11-10 22:13:39,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31674808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:39,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:39,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 22:13:39,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272346550] [2024-11-10 22:13:39,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:39,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 22:13:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:39,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:13:39,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:13:39,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:39,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 130 transitions, 1009 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) [2024-11-10 22:13:39,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:39,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:39,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:40,184 INFO L124 PetriNetUnfolderBase]: 2175/3570 cut-off events. [2024-11-10 22:13:40,184 INFO L125 PetriNetUnfolderBase]: For 10443/10451 co-relation queries the response was YES. [2024-11-10 22:13:40,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12457 conditions, 3570 events. 2175/3570 cut-off events. For 10443/10451 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 19309 event pairs, 755 based on Foata normal form. 81/3651 useless extension candidates. Maximal degree in co-relation 12286. Up to 1711 conditions per place. [2024-11-10 22:13:40,219 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 162 selfloop transitions, 33 changer transitions 5/204 dead transitions. [2024-11-10 22:13:40,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 204 transitions, 1889 flow [2024-11-10 22:13:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 22:13:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 22:13:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 134 transitions. [2024-11-10 22:13:40,255 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4253968253968254 [2024-11-10 22:13:40,255 INFO L175 Difference]: Start difference. First operand has 94 places, 130 transitions, 1009 flow. Second operand 7 states and 134 transitions. [2024-11-10 22:13:40,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 204 transitions, 1889 flow [2024-11-10 22:13:40,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 204 transitions, 1881 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-10 22:13:40,301 INFO L231 Difference]: Finished difference. Result has 105 places, 152 transitions, 1344 flow [2024-11-10 22:13:40,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=1001, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1344, PETRI_PLACES=105, PETRI_TRANSITIONS=152} [2024-11-10 22:13:40,302 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 59 predicate places. [2024-11-10 22:13:40,302 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 152 transitions, 1344 flow [2024-11-10 22:13:40,303 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) [2024-11-10 22:13:40,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:40,303 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:40,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 22:13:40,305 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:40,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:40,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1692953922, now seen corresponding path program 1 times [2024-11-10 22:13:40,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:40,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773172153] [2024-11-10 22:13:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:40,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773172153] [2024-11-10 22:13:40,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773172153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:40,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:40,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 22:13:40,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420194016] [2024-11-10 22:13:40,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:40,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 22:13:40,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:40,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:13:40,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:13:40,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:40,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 152 transitions, 1344 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) [2024-11-10 22:13:40,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:40,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:40,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:41,465 INFO L124 PetriNetUnfolderBase]: 2300/3778 cut-off events. [2024-11-10 22:13:41,466 INFO L125 PetriNetUnfolderBase]: For 15776/15780 co-relation queries the response was YES. [2024-11-10 22:13:41,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14467 conditions, 3778 events. 2300/3778 cut-off events. For 15776/15780 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 20728 event pairs, 564 based on Foata normal form. 80/3858 useless extension candidates. Maximal degree in co-relation 13239. Up to 1772 conditions per place. [2024-11-10 22:13:41,500 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 184 selfloop transitions, 37 changer transitions 2/227 dead transitions. [2024-11-10 22:13:41,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 227 transitions, 2334 flow [2024-11-10 22:13:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 22:13:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 22:13:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 135 transitions. [2024-11-10 22:13:41,502 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2024-11-10 22:13:41,502 INFO L175 Difference]: Start difference. First operand has 105 places, 152 transitions, 1344 flow. Second operand 7 states and 135 transitions. [2024-11-10 22:13:41,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 227 transitions, 2334 flow [2024-11-10 22:13:41,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 227 transitions, 2310 flow, removed 8 selfloop flow, removed 2 redundant places. [2024-11-10 22:13:41,576 INFO L231 Difference]: Finished difference. Result has 114 places, 175 transitions, 1732 flow [2024-11-10 22:13:41,576 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=1330, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1732, PETRI_PLACES=114, PETRI_TRANSITIONS=175} [2024-11-10 22:13:41,577 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 68 predicate places. [2024-11-10 22:13:41,577 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 175 transitions, 1732 flow [2024-11-10 22:13:41,578 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) [2024-11-10 22:13:41,578 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:41,578 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:41,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 22:13:41,578 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:41,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:41,579 INFO L85 PathProgramCache]: Analyzing trace with hash 268597593, now seen corresponding path program 1 times [2024-11-10 22:13:41,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:41,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579754362] [2024-11-10 22:13:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:41,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:41,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579754362] [2024-11-10 22:13:41,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579754362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:41,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:41,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 22:13:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290671110] [2024-11-10 22:13:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:41,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 22:13:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:13:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:13:41,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:41,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 175 transitions, 1732 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) [2024-11-10 22:13:41,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:41,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:41,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:43,462 INFO L124 PetriNetUnfolderBase]: 4211/7203 cut-off events. [2024-11-10 22:13:43,462 INFO L125 PetriNetUnfolderBase]: For 37404/37425 co-relation queries the response was YES. [2024-11-10 22:13:43,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27798 conditions, 7203 events. 4211/7203 cut-off events. For 37404/37425 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 48003 event pairs, 358 based on Foata normal form. 164/7367 useless extension candidates. Maximal degree in co-relation 27599. Up to 1970 conditions per place. [2024-11-10 22:13:43,526 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 283 selfloop transitions, 103 changer transitions 66/456 dead transitions. [2024-11-10 22:13:43,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 456 transitions, 5029 flow [2024-11-10 22:13:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 22:13:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 22:13:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 257 transitions. [2024-11-10 22:13:43,528 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5191919191919192 [2024-11-10 22:13:43,528 INFO L175 Difference]: Start difference. First operand has 114 places, 175 transitions, 1732 flow. Second operand 11 states and 257 transitions. [2024-11-10 22:13:43,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 456 transitions, 5029 flow [2024-11-10 22:13:43,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 456 transitions, 4987 flow, removed 19 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:43,708 INFO L231 Difference]: Finished difference. Result has 131 places, 253 transitions, 3095 flow [2024-11-10 22:13:43,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=1711, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3095, PETRI_PLACES=131, PETRI_TRANSITIONS=253} [2024-11-10 22:13:43,709 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 85 predicate places. [2024-11-10 22:13:43,710 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 253 transitions, 3095 flow [2024-11-10 22:13:43,710 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) [2024-11-10 22:13:43,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:43,710 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:43,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 22:13:43,711 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:43,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:43,711 INFO L85 PathProgramCache]: Analyzing trace with hash 550239257, now seen corresponding path program 2 times [2024-11-10 22:13:43,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727054058] [2024-11-10 22:13:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:43,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:43,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727054058] [2024-11-10 22:13:43,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727054058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:43,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:43,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 22:13:43,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342461619] [2024-11-10 22:13:43,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:43,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 22:13:43,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:13:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:13:43,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:43,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 253 transitions, 3095 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) [2024-11-10 22:13:43,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:43,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:43,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:45,845 INFO L124 PetriNetUnfolderBase]: 5791/10309 cut-off events. [2024-11-10 22:13:45,845 INFO L125 PetriNetUnfolderBase]: For 91807/91828 co-relation queries the response was YES. [2024-11-10 22:13:45,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47539 conditions, 10309 events. 5791/10309 cut-off events. For 91807/91828 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 77065 event pairs, 555 based on Foata normal form. 214/10522 useless extension candidates. Maximal degree in co-relation 38222. Up to 2609 conditions per place. [2024-11-10 22:13:45,925 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 318 selfloop transitions, 280 changer transitions 58/660 dead transitions. [2024-11-10 22:13:45,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 660 transitions, 8766 flow [2024-11-10 22:13:45,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 22:13:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-10 22:13:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 390 transitions. [2024-11-10 22:13:45,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2024-11-10 22:13:45,929 INFO L175 Difference]: Start difference. First operand has 131 places, 253 transitions, 3095 flow. Second operand 18 states and 390 transitions. [2024-11-10 22:13:45,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 660 transitions, 8766 flow [2024-11-10 22:13:46,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 660 transitions, 8752 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:46,543 INFO L231 Difference]: Finished difference. Result has 162 places, 445 transitions, 6798 flow [2024-11-10 22:13:46,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=3087, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6798, PETRI_PLACES=162, PETRI_TRANSITIONS=445} [2024-11-10 22:13:46,545 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 116 predicate places. [2024-11-10 22:13:46,545 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 445 transitions, 6798 flow [2024-11-10 22:13:46,545 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) [2024-11-10 22:13:46,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:46,546 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:46,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 22:13:46,546 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:46,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:46,546 INFO L85 PathProgramCache]: Analyzing trace with hash -963235367, now seen corresponding path program 1 times [2024-11-10 22:13:46,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:46,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326698887] [2024-11-10 22:13:46,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:46,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:46,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:46,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326698887] [2024-11-10 22:13:46,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326698887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:46,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:46,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 22:13:46,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947302593] [2024-11-10 22:13:46,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:46,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 22:13:46,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:46,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:13:46,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:13:46,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:46,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 445 transitions, 6798 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) [2024-11-10 22:13:46,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:46,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:46,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:50,068 INFO L124 PetriNetUnfolderBase]: 7755/14022 cut-off events. [2024-11-10 22:13:50,069 INFO L125 PetriNetUnfolderBase]: For 174825/174872 co-relation queries the response was YES. [2024-11-10 22:13:50,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72892 conditions, 14022 events. 7755/14022 cut-off events. For 174825/174872 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 113221 event pairs, 621 based on Foata normal form. 529/14551 useless extension candidates. Maximal degree in co-relation 69216. Up to 4542 conditions per place. [2024-11-10 22:13:50,189 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 463 selfloop transitions, 294 changer transitions 104/865 dead transitions. [2024-11-10 22:13:50,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 865 transitions, 14293 flow [2024-11-10 22:13:50,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 22:13:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 22:13:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 261 transitions. [2024-11-10 22:13:50,191 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5272727272727272 [2024-11-10 22:13:50,191 INFO L175 Difference]: Start difference. First operand has 162 places, 445 transitions, 6798 flow. Second operand 11 states and 261 transitions. [2024-11-10 22:13:50,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 865 transitions, 14293 flow [2024-11-10 22:13:51,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 865 transitions, 14055 flow, removed 118 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:51,430 INFO L231 Difference]: Finished difference. Result has 179 places, 586 transitions, 9898 flow [2024-11-10 22:13:51,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=6654, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9898, PETRI_PLACES=179, PETRI_TRANSITIONS=586} [2024-11-10 22:13:51,431 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 133 predicate places. [2024-11-10 22:13:51,431 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 586 transitions, 9898 flow [2024-11-10 22:13:51,432 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) [2024-11-10 22:13:51,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:51,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:51,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 22:13:51,432 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:51,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash 254404697, now seen corresponding path program 2 times [2024-11-10 22:13:51,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:51,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702112546] [2024-11-10 22:13:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:51,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:51,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702112546] [2024-11-10 22:13:51,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702112546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:51,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:51,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 22:13:51,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958494202] [2024-11-10 22:13:51,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:51,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 22:13:51,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:51,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:13:51,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:13:51,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:51,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 586 transitions, 9898 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) [2024-11-10 22:13:51,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:51,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:51,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:13:56,262 INFO L124 PetriNetUnfolderBase]: 9623/17597 cut-off events. [2024-11-10 22:13:56,262 INFO L125 PetriNetUnfolderBase]: For 279339/279390 co-relation queries the response was YES. [2024-11-10 22:13:56,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101881 conditions, 17597 events. 9623/17597 cut-off events. For 279339/279390 co-relation queries the response was YES. Maximal size of possible extension queue 918. Compared 149233 event pairs, 1158 based on Foata normal form. 414/18011 useless extension candidates. Maximal degree in co-relation 94480. Up to 5495 conditions per place. [2024-11-10 22:13:56,444 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 392 selfloop transitions, 547 changer transitions 106/1049 dead transitions. [2024-11-10 22:13:56,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 1049 transitions, 18878 flow [2024-11-10 22:13:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 22:13:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-10 22:13:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 405 transitions. [2024-11-10 22:13:56,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-11-10 22:13:56,447 INFO L175 Difference]: Start difference. First operand has 179 places, 586 transitions, 9898 flow. Second operand 18 states and 405 transitions. [2024-11-10 22:13:56,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 1049 transitions, 18878 flow [2024-11-10 22:13:58,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 1049 transitions, 18786 flow, removed 44 selfloop flow, removed 1 redundant places. [2024-11-10 22:13:58,489 INFO L231 Difference]: Finished difference. Result has 209 places, 785 transitions, 15166 flow [2024-11-10 22:13:58,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=9850, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=15166, PETRI_PLACES=209, PETRI_TRANSITIONS=785} [2024-11-10 22:13:58,490 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 163 predicate places. [2024-11-10 22:13:58,490 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 785 transitions, 15166 flow [2024-11-10 22:13:58,490 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) [2024-11-10 22:13:58,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:13:58,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:13:58,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 22:13:58,491 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:13:58,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:13:58,491 INFO L85 PathProgramCache]: Analyzing trace with hash -796496473, now seen corresponding path program 1 times [2024-11-10 22:13:58,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:13:58,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855201494] [2024-11-10 22:13:58,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:13:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:13:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:13:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:13:58,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:13:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855201494] [2024-11-10 22:13:58,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855201494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:13:58,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:13:58,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:13:58,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837946279] [2024-11-10 22:13:58,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:13:58,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:13:58,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:13:58,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:13:58,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:13:58,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:13:58,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 785 transitions, 15166 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) [2024-11-10 22:13:58,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:13:58,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:13:58,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:03,847 INFO L124 PetriNetUnfolderBase]: 9797/17864 cut-off events. [2024-11-10 22:14:03,848 INFO L125 PetriNetUnfolderBase]: For 378643/378705 co-relation queries the response was YES. [2024-11-10 22:14:04,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116091 conditions, 17864 events. 9797/17864 cut-off events. For 378643/378705 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 151702 event pairs, 2970 based on Foata normal form. 148/18012 useless extension candidates. Maximal degree in co-relation 109435. Up to 8507 conditions per place. [2024-11-10 22:14:04,285 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 753 selfloop transitions, 160 changer transitions 26/943 dead transitions. [2024-11-10 22:14:04,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 943 transitions, 19444 flow [2024-11-10 22:14:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 22:14:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 22:14:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 178 transitions. [2024-11-10 22:14:04,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39555555555555555 [2024-11-10 22:14:04,287 INFO L175 Difference]: Start difference. First operand has 209 places, 785 transitions, 15166 flow. Second operand 10 states and 178 transitions. [2024-11-10 22:14:04,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 943 transitions, 19444 flow [2024-11-10 22:14:08,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 943 transitions, 19076 flow, removed 63 selfloop flow, removed 2 redundant places. [2024-11-10 22:14:08,531 INFO L231 Difference]: Finished difference. Result has 222 places, 832 transitions, 16295 flow [2024-11-10 22:14:08,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=14822, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=785, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=642, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16295, PETRI_PLACES=222, PETRI_TRANSITIONS=832} [2024-11-10 22:14:08,533 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 176 predicate places. [2024-11-10 22:14:08,533 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 832 transitions, 16295 flow [2024-11-10 22:14:08,533 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) [2024-11-10 22:14:08,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:08,533 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:08,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 22:14:08,534 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:08,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:08,534 INFO L85 PathProgramCache]: Analyzing trace with hash 233439025, now seen corresponding path program 2 times [2024-11-10 22:14:08,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:08,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20496951] [2024-11-10 22:14:08,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:08,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:09,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:09,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20496951] [2024-11-10 22:14:09,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20496951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:09,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:09,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:14:09,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271263377] [2024-11-10 22:14:09,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:09,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:14:09,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:09,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:14:09,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:14:09,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:14:09,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 832 transitions, 16295 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) [2024-11-10 22:14:09,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:09,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:14:09,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:15,322 INFO L124 PetriNetUnfolderBase]: 10022/18210 cut-off events. [2024-11-10 22:14:15,323 INFO L125 PetriNetUnfolderBase]: For 441955/442013 co-relation queries the response was YES. [2024-11-10 22:14:15,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121876 conditions, 18210 events. 10022/18210 cut-off events. For 441955/442013 co-relation queries the response was YES. Maximal size of possible extension queue 944. Compared 154453 event pairs, 3018 based on Foata normal form. 148/18358 useless extension candidates. Maximal degree in co-relation 113359. Up to 9040 conditions per place. [2024-11-10 22:14:15,536 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 807 selfloop transitions, 153 changer transitions 49/1013 dead transitions. [2024-11-10 22:14:15,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 1013 transitions, 21288 flow [2024-11-10 22:14:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 22:14:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 22:14:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 196 transitions. [2024-11-10 22:14:15,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.362962962962963 [2024-11-10 22:14:15,539 INFO L175 Difference]: Start difference. First operand has 222 places, 832 transitions, 16295 flow. Second operand 12 states and 196 transitions. [2024-11-10 22:14:15,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 1013 transitions, 21288 flow [2024-11-10 22:14:19,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 1013 transitions, 21247 flow, removed 16 selfloop flow, removed 2 redundant places. [2024-11-10 22:14:19,325 INFO L231 Difference]: Finished difference. Result has 238 places, 865 transitions, 17550 flow [2024-11-10 22:14:19,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=16258, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=832, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17550, PETRI_PLACES=238, PETRI_TRANSITIONS=865} [2024-11-10 22:14:19,326 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 192 predicate places. [2024-11-10 22:14:19,326 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 865 transitions, 17550 flow [2024-11-10 22:14:19,326 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) [2024-11-10 22:14:19,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:19,326 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:19,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 22:14:19,327 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:19,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:19,327 INFO L85 PathProgramCache]: Analyzing trace with hash 861489717, now seen corresponding path program 1 times [2024-11-10 22:14:19,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:19,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663304104] [2024-11-10 22:14:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:19,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:19,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663304104] [2024-11-10 22:14:19,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663304104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:19,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:19,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:14:19,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209770618] [2024-11-10 22:14:19,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:19,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:14:19,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:19,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:14:19,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:14:19,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:14:19,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 865 transitions, 17550 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) [2024-11-10 22:14:19,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:19,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:14:19,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:14:25,751 INFO L124 PetriNetUnfolderBase]: 11451/21019 cut-off events. [2024-11-10 22:14:25,751 INFO L125 PetriNetUnfolderBase]: For 546322/546387 co-relation queries the response was YES. [2024-11-10 22:14:25,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141375 conditions, 21019 events. 11451/21019 cut-off events. For 546322/546387 co-relation queries the response was YES. Maximal size of possible extension queue 1098. Compared 185074 event pairs, 5381 based on Foata normal form. 151/21170 useless extension candidates. Maximal degree in co-relation 132327. Up to 15490 conditions per place. [2024-11-10 22:14:25,979 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 937 selfloop transitions, 52 changer transitions 60/1053 dead transitions. [2024-11-10 22:14:25,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 1053 transitions, 23022 flow [2024-11-10 22:14:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 22:14:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 22:14:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 189 transitions. [2024-11-10 22:14:25,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38181818181818183 [2024-11-10 22:14:25,981 INFO L175 Difference]: Start difference. First operand has 238 places, 865 transitions, 17550 flow. Second operand 11 states and 189 transitions. [2024-11-10 22:14:25,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 1053 transitions, 23022 flow [2024-11-10 22:14:30,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 1053 transitions, 22749 flow, removed 42 selfloop flow, removed 5 redundant places. [2024-11-10 22:14:30,721 INFO L231 Difference]: Finished difference. Result has 246 places, 869 transitions, 17499 flow [2024-11-10 22:14:30,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=17322, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=818, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17499, PETRI_PLACES=246, PETRI_TRANSITIONS=869} [2024-11-10 22:14:30,722 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 200 predicate places. [2024-11-10 22:14:30,722 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 869 transitions, 17499 flow [2024-11-10 22:14:30,722 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) [2024-11-10 22:14:30,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:14:30,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:14:30,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 22:14:30,723 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-10 22:14:30,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:14:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2003064009, now seen corresponding path program 3 times [2024-11-10 22:14:30,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:14:30,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413756202] [2024-11-10 22:14:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:14:30,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:14:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:14:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:14:31,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:14:31,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413756202] [2024-11-10 22:14:31,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413756202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:14:31,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:14:31,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 22:14:31,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995898211] [2024-11-10 22:14:31,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:14:31,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 22:14:31,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:14:31,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 22:14:31,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 22:14:31,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-11-10 22:14:31,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 869 transitions, 17499 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) [2024-11-10 22:14:31,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:14:31,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-11-10 22:14:31,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand